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Finding the Fourth Proportional to 487,440.60, 730,869.30 and 251,244.60

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Solution

The fourth proportional to 487,440.60, 730,869.30 and 251,244.60 is: 376,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,440.60 : 730,869.30 = 251,244.60 : x
  2. Step 2: Convert to fraction form
    487,440.60/730,869.30 = 251,244.60/x
  3. Step 3: Cross multiply
    487,440.60x = 730,869.30 × 251,244.60
  4. Step 4: Simplify right side
    487,440.60x = 183,626,964,930.78
  5. Step 5: Solve for x
    x = 183,626,964,930.78/487,440.60
  6. Step 6: Final answer
    x = 376,716.60

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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.