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Finding the Fourth Proportional to 607,459.92, 838,303.56 and 352,811.10

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Solution

The fourth proportional to 607,459.92, 838,303.56 and 352,811.10 is: 486,884.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,459.92 : 838,303.56 = 352,811.10 : x
  2. Step 2: Convert to fraction form
    607,459.92/838,303.56 = 352,811.10/x
  3. Step 3: Cross multiply
    607,459.92x = 838,303.56 × 352,811.10
  4. Step 4: Simplify right side
    607,459.92x = 295,762,801,137.52
  5. Step 5: Solve for x
    x = 295,762,801,137.52/607,459.92
  6. Step 6: Final answer
    x = 486,884.47

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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.