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Finding the Fourth Proportional to 453,002.46, 625,143.78 and 249,056.85

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Solution

The fourth proportional to 453,002.46, 625,143.78 and 249,056.85 is: 343,698.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,002.46 : 625,143.78 = 249,056.85 : x
  2. Step 2: Convert to fraction form
    453,002.46/625,143.78 = 249,056.85/x
  3. Step 3: Cross multiply
    453,002.46x = 625,143.78 × 249,056.85
  4. Step 4: Simplify right side
    453,002.46x = 155,696,340,643.89
  5. Step 5: Solve for x
    x = 155,696,340,643.89/453,002.46
  6. Step 6: Final answer
    x = 343,698.66

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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.