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Finding the Fourth Proportional to 546,707.53, 754,362.92 and 317,212.20

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Solution

The fourth proportional to 546,707.53, 754,362.92 and 317,212.20 is: 437,698.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,707.53 : 754,362.92 = 317,212.20 : x
  2. Step 2: Convert to fraction form
    546,707.53/754,362.92 = 317,212.20/x
  3. Step 3: Cross multiply
    546,707.53x = 754,362.92 × 317,212.20
  4. Step 4: Simplify right side
    546,707.53x = 239,293,122,244.66
  5. Step 5: Solve for x
    x = 239,293,122,244.66/546,707.53
  6. Step 6: Final answer
    x = 437,698.61

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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.