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Finding the Fourth Proportional to 527,790.53, 791,684.89 and 148,710.53

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Solution

The fourth proportional to 527,790.53, 791,684.89 and 148,710.53 is: 223,065.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,790.53 : 791,684.89 = 148,710.53 : x
  2. Step 2: Convert to fraction form
    527,790.53/791,684.89 = 148,710.53/x
  3. Step 3: Cross multiply
    527,790.53x = 791,684.89 × 148,710.53
  4. Step 4: Simplify right side
    527,790.53x = 117,731,881,192.33
  5. Step 5: Solve for x
    x = 117,731,881,192.33/527,790.53
  6. Step 6: Final answer
    x = 223,065.54

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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.