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Finding the Fourth Proportional to 503,898.60, 755,847.90 and 148,924.20

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Solution

The fourth proportional to 503,898.60, 755,847.90 and 148,924.20 is: 223,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,898.60 : 755,847.90 = 148,924.20 : x
  2. Step 2: Convert to fraction form
    503,898.60/755,847.90 = 148,924.20/x
  3. Step 3: Cross multiply
    503,898.60x = 755,847.90 × 148,924.20
  4. Step 4: Simplify right side
    503,898.60x = 112,564,043,829.18
  5. Step 5: Solve for x
    x = 112,564,043,829.18/503,898.60
  6. Step 6: Final answer
    x = 223,386.30

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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.