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Finding the Fourth Proportional to 527,940.48, 791,005.60 and 354,507.12

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Solution

The fourth proportional to 527,940.48, 791,005.60 and 354,507.12 is: 531,152.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,940.48 : 791,005.60 = 354,507.12 : x
  2. Step 2: Convert to fraction form
    527,940.48/791,005.60 = 354,507.12/x
  3. Step 3: Cross multiply
    527,940.48x = 791,005.60 × 354,507.12
  4. Step 4: Simplify right side
    527,940.48x = 280,417,116,490.65
  5. Step 5: Solve for x
    x = 280,417,116,490.65/527,940.48
  6. Step 6: Final answer
    x = 531,152.90

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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.