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Finding the Fourth Proportional to 607,240.76, 838,066.14 and 352,591.96

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Solution

The fourth proportional to 607,240.76, 838,066.14 and 352,591.96 is: 486,619.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,240.76 : 838,066.14 = 352,591.96 : x
  2. Step 2: Convert to fraction form
    607,240.76/838,066.14 = 352,591.96/x
  3. Step 3: Cross multiply
    607,240.76x = 838,066.14 × 352,591.96
  4. Step 4: Simplify right side
    607,240.76x = 295,495,382,912.23
  5. Step 5: Solve for x
    x = 295,495,382,912.23/607,240.76
  6. Step 6: Final answer
    x = 486,619.81

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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.