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Finding the Fourth Proportional to 560,237.38, 773,154.92 and 315,298.64

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Solution

The fourth proportional to 560,237.38, 773,154.92 and 315,298.64 is: 435,127.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,237.38 : 773,154.92 = 315,298.64 : x
  2. Step 2: Convert to fraction form
    560,237.38/773,154.92 = 315,298.64/x
  3. Step 3: Cross multiply
    560,237.38x = 773,154.92 × 315,298.64
  4. Step 4: Simplify right side
    560,237.38x = 243,774,694,785.31
  5. Step 5: Solve for x
    x = 243,774,694,785.31/560,237.38
  6. Step 6: Final answer
    x = 435,127.51

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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.