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Finding the Fourth Proportional to 453,153.22, 625,367.50 and 249,219.92

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Solution

The fourth proportional to 453,153.22, 625,367.50 and 249,219.92 is: 343,932.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,153.22 : 625,367.50 = 249,219.92 : x
  2. Step 2: Convert to fraction form
    453,153.22/625,367.50 = 249,219.92/x
  3. Step 3: Cross multiply
    453,153.22x = 625,367.50 × 249,219.92
  4. Step 4: Simplify right side
    453,153.22x = 155,854,038,320.60
  5. Step 5: Solve for x
    x = 155,854,038,320.60/453,153.22
  6. Step 6: Final answer
    x = 343,932.32

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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.