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Finding the Fourth Proportional to 546,484.41, 754,240.68 and 403,658.73

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Solution

The fourth proportional to 546,484.41, 754,240.68 and 403,658.73 is: 557,117.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,484.41 : 754,240.68 = 403,658.73 : x
  2. Step 2: Convert to fraction form
    546,484.41/754,240.68 = 403,658.73/x
  3. Step 3: Cross multiply
    546,484.41x = 754,240.68 × 403,658.73
  4. Step 4: Simplify right side
    546,484.41x = 304,455,835,003.14
  5. Step 5: Solve for x
    x = 304,455,835,003.14/546,484.41
  6. Step 6: Final answer
    x = 557,117.15

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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.