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Finding the Fourth Proportional to 453,065.64, 625,232.91 and 249,129.71

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Solution

The fourth proportional to 453,065.64, 625,232.91 and 249,129.71 is: 343,800.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,065.64 : 625,232.91 = 249,129.71 : x
  2. Step 2: Convert to fraction form
    453,065.64/625,232.91 = 249,129.71/x
  3. Step 3: Cross multiply
    453,065.64x = 625,232.91 × 249,129.71
  4. Step 4: Simplify right side
    453,065.64x = 155,764,093,550.76
  5. Step 5: Solve for x
    x = 155,764,093,550.76/453,065.64
  6. Step 6: Final answer
    x = 343,800.28

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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.