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Finding the Fourth Proportional to 519,608.96, 716,983.44 and 315,553.52

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Solution

The fourth proportional to 519,608.96, 716,983.44 and 315,553.52 is: 435,417.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,608.96 : 716,983.44 = 315,553.52 : x
  2. Step 2: Convert to fraction form
    519,608.96/716,983.44 = 315,553.52/x
  3. Step 3: Cross multiply
    519,608.96x = 716,983.44 × 315,553.52
  4. Step 4: Simplify right side
    519,608.96x = 226,246,648,273.71
  5. Step 5: Solve for x
    x = 226,246,648,273.71/519,608.96
  6. Step 6: Final answer
    x = 435,417.14

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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.