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Finding the Fourth Proportional to 242,526.80, 363,790.20 and 228,748.70

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Solution

The fourth proportional to 242,526.80, 363,790.20 and 228,748.70 is: 343,123.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,526.80 : 363,790.20 = 228,748.70 : x
  2. Step 2: Convert to fraction form
    242,526.80/363,790.20 = 228,748.70/x
  3. Step 3: Cross multiply
    242,526.80x = 363,790.20 × 228,748.70
  4. Step 4: Simplify right side
    242,526.80x = 83,216,535,322.74
  5. Step 5: Solve for x
    x = 83,216,535,322.74/242,526.80
  6. Step 6: Final answer
    x = 343,123.05

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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.