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Finding the Fourth Proportional to 537,779.55, 742,124.10 and 296,052.87

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Solution

The fourth proportional to 537,779.55, 742,124.10 and 296,052.87 is: 408,546.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,779.55 : 742,124.10 = 296,052.87 : x
  2. Step 2: Convert to fraction form
    537,779.55/742,124.10 = 296,052.87/x
  3. Step 3: Cross multiply
    537,779.55x = 742,124.10 × 296,052.87
  4. Step 4: Simplify right side
    537,779.55x = 219,707,969,701.17
  5. Step 5: Solve for x
    x = 219,707,969,701.17/537,779.55
  6. Step 6: Final answer
    x = 408,546.53

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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.