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Finding the Fourth Proportional to 453,095.01, 625,257.90 and 249,145.72

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Solution

The fourth proportional to 453,095.01, 625,257.90 and 249,145.72 is: 343,813.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,095.01 : 625,257.90 = 249,145.72 : x
  2. Step 2: Convert to fraction form
    453,095.01/625,257.90 = 249,145.72/x
  3. Step 3: Cross multiply
    453,095.01x = 625,257.90 × 249,145.72
  4. Step 4: Simplify right side
    453,095.01x = 155,780,328,435.46
  5. Step 5: Solve for x
    x = 155,780,328,435.46/453,095.01
  6. Step 6: Final answer
    x = 343,813.82

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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.