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Finding the Fourth Proportional to 527,174.15, 727,484.77 and 297,740.84

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Solution

The fourth proportional to 527,174.15, 727,484.77 and 297,740.84 is: 410,873.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,174.15 : 727,484.77 = 297,740.84 : x
  2. Step 2: Convert to fraction form
    527,174.15/727,484.77 = 297,740.84/x
  3. Step 3: Cross multiply
    527,174.15x = 727,484.77 × 297,740.84
  4. Step 4: Simplify right side
    527,174.15x = 216,601,926,507.01
  5. Step 5: Solve for x
    x = 216,601,926,507.01/527,174.15
  6. Step 6: Final answer
    x = 410,873.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.