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Finding the Fourth Proportional to 546,555.30, 754,597.26 and 342,885.48

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Solution

The fourth proportional to 546,555.30, 754,597.26 and 342,885.48 is: 473,402.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,555.30 : 754,597.26 = 342,885.48 : x
  2. Step 2: Convert to fraction form
    546,555.30/754,597.26 = 342,885.48/x
  3. Step 3: Cross multiply
    546,555.30x = 754,597.26 × 342,885.48
  4. Step 4: Simplify right side
    546,555.30x = 258,740,443,701.79
  5. Step 5: Solve for x
    x = 258,740,443,701.79/546,555.30
  6. Step 6: Final answer
    x = 473,402.13

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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.