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Finding the Fourth Proportional to 453,050.40, 625,155.12 and 249,067.68

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Solution

The fourth proportional to 453,050.40, 625,155.12 and 249,067.68 is: 343,683.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,050.40 : 625,155.12 = 249,067.68 : x
  2. Step 2: Convert to fraction form
    453,050.40/625,155.12 = 249,067.68/x
  3. Step 3: Cross multiply
    453,050.40x = 625,155.12 × 249,067.68
  4. Step 4: Simplify right side
    453,050.40x = 155,705,935,378.52
  5. Step 5: Solve for x
    x = 155,705,935,378.52/453,050.40
  6. Step 6: Final answer
    x = 343,683.47

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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.