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Finding the Fourth Proportional to 453,259.53, 625,454.73 and 249,307.20

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Solution

The fourth proportional to 453,259.53, 625,454.73 and 249,307.20 is: 344,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,259.53 : 625,454.73 = 249,307.20 : x
  2. Step 2: Convert to fraction form
    453,259.53/625,454.73 = 249,307.20/x
  3. Step 3: Cross multiply
    453,259.53x = 625,454.73 × 249,307.20
  4. Step 4: Simplify right side
    453,259.53x = 155,930,367,463.06
  5. Step 5: Solve for x
    x = 155,930,367,463.06/453,259.53
  6. Step 6: Final answer
    x = 344,020.05

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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.