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Finding the Fourth Proportional to 632,616.60, 947,772.90 and 299,458.20

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Solution

The fourth proportional to 632,616.60, 947,772.90 and 299,458.20 is: 448,641.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,616.60 : 947,772.90 = 299,458.20 : x
  2. Step 2: Convert to fraction form
    632,616.60/947,772.90 = 299,458.20/x
  3. Step 3: Cross multiply
    632,616.60x = 947,772.90 × 299,458.20
  4. Step 4: Simplify right side
    632,616.60x = 283,818,366,642.78
  5. Step 5: Solve for x
    x = 283,818,366,642.78/632,616.60
  6. Step 6: Final answer
    x = 448,641.98

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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.