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Finding the Fourth Proportional to 452,998.69, 625,138.59 and 249,053.08

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Solution

The fourth proportional to 452,998.69, 625,138.59 and 249,053.08 is: 343,693.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,998.69 : 625,138.59 = 249,053.08 : x
  2. Step 2: Convert to fraction form
    452,998.69/625,138.59 = 249,053.08/x
  3. Step 3: Cross multiply
    452,998.69x = 625,138.59 × 249,053.08
  4. Step 4: Simplify right side
    452,998.69x = 155,692,688,769.56
  5. Step 5: Solve for x
    x = 155,692,688,769.56/452,998.69
  6. Step 6: Final answer
    x = 343,693.47

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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.