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Finding the Fourth Proportional to 701,710.08, 968,360.60 and 379,420.10

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Solution

The fourth proportional to 701,710.08, 968,360.60 and 379,420.10 is: 523,600.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,710.08 : 968,360.60 = 379,420.10 : x
  2. Step 2: Convert to fraction form
    701,710.08/968,360.60 = 379,420.10/x
  3. Step 3: Cross multiply
    701,710.08x = 968,360.60 × 379,420.10
  4. Step 4: Simplify right side
    701,710.08x = 367,415,475,688.06
  5. Step 5: Solve for x
    x = 367,415,475,688.06/701,710.08
  6. Step 6: Final answer
    x = 523,600.11

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.