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Finding the Fourth Proportional to 468,796.20, 646,938.15 and 253,937.13

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Solution

The fourth proportional to 468,796.20, 646,938.15 and 253,937.13 is: 350,432.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,796.20 : 646,938.15 = 253,937.13 : x
  2. Step 2: Convert to fraction form
    468,796.20/646,938.15 = 253,937.13/x
  3. Step 3: Cross multiply
    468,796.20x = 646,938.15 × 253,937.13
  4. Step 4: Simplify right side
    468,796.20x = 164,281,617,098.51
  5. Step 5: Solve for x
    x = 164,281,617,098.51/468,796.20
  6. Step 6: Final answer
    x = 350,432.91

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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.