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Finding the Fourth Proportional to 495,877.60, 743,816.40 and 296,423.20

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Solution

The fourth proportional to 495,877.60, 743,816.40 and 296,423.20 is: 444,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,877.60 : 743,816.40 = 296,423.20 : x
  2. Step 2: Convert to fraction form
    495,877.60/743,816.40 = 296,423.20/x
  3. Step 3: Cross multiply
    495,877.60x = 743,816.40 × 296,423.20
  4. Step 4: Simplify right side
    495,877.60x = 220,484,437,500.48
  5. Step 5: Solve for x
    x = 220,484,437,500.48/495,877.60
  6. Step 6: Final answer
    x = 444,634.80

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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.