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Finding the Fourth Proportional to 607,402.37, 910,456.36 and 457,178.15

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Solution

The fourth proportional to 607,402.37, 910,456.36 and 457,178.15 is: 685,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,402.37 : 910,456.36 = 457,178.15 : x
  2. Step 2: Convert to fraction form
    607,402.37/910,456.36 = 457,178.15/x
  3. Step 3: Cross multiply
    607,402.37x = 910,456.36 × 457,178.15
  4. Step 4: Simplify right side
    607,402.37x = 416,240,754,320.53
  5. Step 5: Solve for x
    x = 416,240,754,320.53/607,402.37
  6. Step 6: Final answer
    x = 685,280.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.