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Finding the Fourth Proportional to 546,954.48, 754,815.24 and 317,493.36

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Solution

The fourth proportional to 546,954.48, 754,815.24 and 317,493.36 is: 438,151.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,954.48 : 754,815.24 = 317,493.36 : x
  2. Step 2: Convert to fraction form
    546,954.48/754,815.24 = 317,493.36/x
  3. Step 3: Cross multiply
    546,954.48x = 754,815.24 × 317,493.36
  4. Step 4: Simplify right side
    546,954.48x = 239,648,826,726.81
  5. Step 5: Solve for x
    x = 239,648,826,726.81/546,954.48
  6. Step 6: Final answer
    x = 438,151.32

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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.