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Finding the Fourth Proportional to 527,464.55, 790,331.83 and 223,615.93

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Solution

The fourth proportional to 527,464.55, 790,331.83 and 223,615.93 is: 335,057.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,464.55 : 790,331.83 = 223,615.93 : x
  2. Step 2: Convert to fraction form
    527,464.55/790,331.83 = 223,615.93/x
  3. Step 3: Cross multiply
    527,464.55x = 790,331.83 × 223,615.93
  4. Step 4: Simplify right side
    527,464.55x = 176,730,784,639.18
  5. Step 5: Solve for x
    x = 176,730,784,639.18/527,464.55
  6. Step 6: Final answer
    x = 335,057.18

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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.