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Finding the Fourth Proportional to 352,034.42, 527,818.32 and 127,365.62

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Solution

The fourth proportional to 352,034.42, 527,818.32 and 127,365.62 is: 190,964.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,034.42 : 527,818.32 = 127,365.62 : x
  2. Step 2: Convert to fraction form
    352,034.42/527,818.32 = 127,365.62/x
  3. Step 3: Cross multiply
    352,034.42x = 527,818.32 × 127,365.62
  4. Step 4: Simplify right side
    352,034.42x = 67,225,907,574.16
  5. Step 5: Solve for x
    x = 67,225,907,574.16/352,034.42
  6. Step 6: Final answer
    x = 190,964.02

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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.