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Finding the Fourth Proportional to 453,672.69, 626,070.51 and 249,744.12

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Solution

The fourth proportional to 453,672.69, 626,070.51 and 249,744.12 is: 344,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,672.69 : 626,070.51 = 249,744.12 : x
  2. Step 2: Convert to fraction form
    453,672.69/626,070.51 = 249,744.12/x
  3. Step 3: Cross multiply
    453,672.69x = 626,070.51 × 249,744.12
  4. Step 4: Simplify right side
    453,672.69x = 156,357,428,577.90
  5. Step 5: Solve for x
    x = 156,357,428,577.90/453,672.69
  6. Step 6: Final answer
    x = 344,648.10

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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.