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Finding the Fourth Proportional to 546,810.35, 754,580.61 and 298,442.75

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Solution

The fourth proportional to 546,810.35, 754,580.61 and 298,442.75 is: 411,841.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,810.35 : 754,580.61 = 298,442.75 : x
  2. Step 2: Convert to fraction form
    546,810.35/754,580.61 = 298,442.75/x
  3. Step 3: Cross multiply
    546,810.35x = 754,580.61 × 298,442.75
  4. Step 4: Simplify right side
    546,810.35x = 225,199,108,572.17
  5. Step 5: Solve for x
    x = 225,199,108,572.17/546,810.35
  6. Step 6: Final answer
    x = 411,841.35

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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.