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Finding the Fourth Proportional to 375,345.60, 561,981.60 and 292,401.60

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Solution

The fourth proportional to 375,345.60, 561,981.60 and 292,401.60 is: 437,794.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,345.60 : 561,981.60 = 292,401.60 : x
  2. Step 2: Convert to fraction form
    375,345.60/561,981.60 = 292,401.60/x
  3. Step 3: Cross multiply
    375,345.60x = 561,981.60 × 292,401.60
  4. Step 4: Simplify right side
    375,345.60x = 164,324,319,010.56
  5. Step 5: Solve for x
    x = 164,324,319,010.56/375,345.60
  6. Step 6: Final answer
    x = 437,794.71

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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.