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Finding the Fourth Proportional to 453,195.12, 625,416.12 and 249,254.76

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Solution

The fourth proportional to 453,195.12, 625,416.12 and 249,254.76 is: 343,975.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,195.12 : 625,416.12 = 249,254.76 : x
  2. Step 2: Convert to fraction form
    453,195.12/625,416.12 = 249,254.76/x
  3. Step 3: Cross multiply
    453,195.12x = 625,416.12 × 249,254.76
  4. Step 4: Simplify right side
    453,195.12x = 155,887,944,890.73
  5. Step 5: Solve for x
    x = 155,887,944,890.73/453,195.12
  6. Step 6: Final answer
    x = 343,975.34

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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.