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Finding the Fourth Proportional to 375,566.86, 563,350.29 and 91,255.95

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Solution

The fourth proportional to 375,566.86, 563,350.29 and 91,255.95 is: 136,883.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,566.86 : 563,350.29 = 91,255.95 : x
  2. Step 2: Convert to fraction form
    375,566.86/563,350.29 = 91,255.95/x
  3. Step 3: Cross multiply
    375,566.86x = 563,350.29 × 91,255.95
  4. Step 4: Simplify right side
    375,566.86x = 51,409,063,441.95
  5. Step 5: Solve for x
    x = 51,409,063,441.95/375,566.86
  6. Step 6: Final answer
    x = 136,883.92

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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.