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Finding the Fourth Proportional to 453,095.08, 625,257.98 and 249,145.78

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Solution

The fourth proportional to 453,095.08, 625,257.98 and 249,145.78 is: 343,813.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,095.08 : 625,257.98 = 249,145.78 : x
  2. Step 2: Convert to fraction form
    453,095.08/625,257.98 = 249,145.78/x
  3. Step 3: Cross multiply
    453,095.08x = 625,257.98 × 249,145.78
  4. Step 4: Simplify right side
    453,095.08x = 155,780,387,128.32
  5. Step 5: Solve for x
    x = 155,780,387,128.32/453,095.08
  6. Step 6: Final answer
    x = 343,813.90

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1.5x scale

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.