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Finding the Fourth Proportional to 527,199.60, 791,324.28 and 290,653.68

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Solution

The fourth proportional to 527,199.60, 791,324.28 and 290,653.68 is: 436,269.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,199.60 : 791,324.28 = 290,653.68 : x
  2. Step 2: Convert to fraction form
    527,199.60/791,324.28 = 290,653.68/x
  3. Step 3: Cross multiply
    527,199.60x = 791,324.28 × 290,653.68
  4. Step 4: Simplify right side
    527,199.60x = 230,001,314,055.35
  5. Step 5: Solve for x
    x = 230,001,314,055.35/527,199.60
  6. Step 6: Final answer
    x = 436,269.89

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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.