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Finding the Fourth Proportional to 452,991.83, 625,112.80 and 249,041.28

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Solution

The fourth proportional to 452,991.83, 625,112.80 and 249,041.28 is: 343,668.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,991.83 : 625,112.80 = 249,041.28 : x
  2. Step 2: Convert to fraction form
    452,991.83/625,112.80 = 249,041.28/x
  3. Step 3: Cross multiply
    452,991.83x = 625,112.80 × 249,041.28
  4. Step 4: Simplify right side
    452,991.83x = 155,678,891,856.38
  5. Step 5: Solve for x
    x = 155,678,891,856.38/452,991.83
  6. Step 6: Final answer
    x = 343,668.21

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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.