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Finding the Fourth Proportional to 609,357.20, 914,222.52 and 272,681.20

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Solution

The fourth proportional to 609,357.20, 914,222.52 and 272,681.20 is: 409,105.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,357.20 : 914,222.52 = 272,681.20 : x
  2. Step 2: Convert to fraction form
    609,357.20/914,222.52 = 272,681.20/x
  3. Step 3: Cross multiply
    609,357.20x = 914,222.52 × 272,681.20
  4. Step 4: Simplify right side
    609,357.20x = 249,291,293,820.62
  5. Step 5: Solve for x
    x = 249,291,293,820.62/609,357.20
  6. Step 6: Final answer
    x = 409,105.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.