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Finding the Fourth Proportional to 453,065.39, 625,232.57 and 249,129.46

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Solution

The fourth proportional to 453,065.39, 625,232.57 and 249,129.46 is: 343,799.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,065.39 : 625,232.57 = 249,129.46 : x
  2. Step 2: Convert to fraction form
    453,065.39/625,232.57 = 249,129.46/x
  3. Step 3: Cross multiply
    453,065.39x = 625,232.57 × 249,129.46
  4. Step 4: Simplify right side
    453,065.39x = 155,763,849,729.78
  5. Step 5: Solve for x
    x = 155,763,849,729.78/453,065.39
  6. Step 6: Final answer
    x = 343,799.93

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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.