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Finding the Fourth Proportional to 453,374.76, 625,657.16 and 249,421.30

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Solution

The fourth proportional to 453,374.76, 625,657.16 and 249,421.30 is: 344,201.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,374.76 : 625,657.16 = 249,421.30 : x
  2. Step 2: Convert to fraction form
    453,374.76/625,657.16 = 249,421.30/x
  3. Step 3: Cross multiply
    453,374.76x = 625,657.16 × 249,421.30
  4. Step 4: Simplify right side
    453,374.76x = 156,052,219,073.22
  5. Step 5: Solve for x
    x = 156,052,219,073.22/453,374.76
  6. Step 6: Final answer
    x = 344,201.38

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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.