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Finding the Fourth Proportional to 546,411.98, 754,052.82 and 304,710.20

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Solution

The fourth proportional to 546,411.98, 754,052.82 and 304,710.20 is: 420,502.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,411.98 : 754,052.82 = 304,710.20 : x
  2. Step 2: Convert to fraction form
    546,411.98/754,052.82 = 304,710.20/x
  3. Step 3: Cross multiply
    546,411.98x = 754,052.82 × 304,710.20
  4. Step 4: Simplify right side
    546,411.98x = 229,767,585,592.76
  5. Step 5: Solve for x
    x = 229,767,585,592.76/546,411.98
  6. Step 6: Final answer
    x = 420,502.47

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Double scale
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Similar ratio
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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.