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Finding the Fourth Proportional to 292,044.40, 437,964.20 and 151,756.40

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Solution

The fourth proportional to 292,044.40, 437,964.20 and 151,756.40 is: 227,581.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,044.40 : 437,964.20 = 151,756.40 : x
  2. Step 2: Convert to fraction form
    292,044.40/437,964.20 = 151,756.40/x
  3. Step 3: Cross multiply
    292,044.40x = 437,964.20 × 151,756.40
  4. Step 4: Simplify right side
    292,044.40x = 66,463,870,320.88
  5. Step 5: Solve for x
    x = 66,463,870,320.88/292,044.40
  6. Step 6: Final answer
    x = 227,581.39

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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.