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Finding the Fourth Proportional to 527,253.38, 791,014.93 and 153,276.38

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Solution

The fourth proportional to 527,253.38, 791,014.93 and 153,276.38 is: 229,953.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,253.38 : 791,014.93 = 153,276.38 : x
  2. Step 2: Convert to fraction form
    527,253.38/791,014.93 = 153,276.38/x
  3. Step 3: Cross multiply
    527,253.38x = 791,014.93 × 153,276.38
  4. Step 4: Simplify right side
    527,253.38x = 121,243,900,658.09
  5. Step 5: Solve for x
    x = 121,243,900,658.09/527,253.38
  6. Step 6: Final answer
    x = 229,953.77

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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.