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Finding the Fourth Proportional to 546,416.46, 754,108.47 and 331,539.66

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Solution

The fourth proportional to 546,416.46, 754,108.47 and 331,539.66 is: 457,557.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,416.46 : 754,108.47 = 331,539.66 : x
  2. Step 2: Convert to fraction form
    546,416.46/754,108.47 = 331,539.66/x
  3. Step 3: Cross multiply
    546,416.46x = 754,108.47 × 331,539.66
  4. Step 4: Simplify right side
    546,416.46x = 250,016,865,746.92
  5. Step 5: Solve for x
    x = 250,016,865,746.92/546,416.46
  6. Step 6: Final answer
    x = 457,557.35

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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.