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Finding the Fourth Proportional to 552,719.88, 829,079.88 and 153,360.72

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Solution

The fourth proportional to 552,719.88, 829,079.88 and 153,360.72 is: 230,041.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,719.88 : 829,079.88 = 153,360.72 : x
  2. Step 2: Convert to fraction form
    552,719.88/829,079.88 = 153,360.72/x
  3. Step 3: Cross multiply
    552,719.88x = 829,079.88 × 153,360.72
  4. Step 4: Simplify right side
    552,719.88x = 127,148,287,334.31
  5. Step 5: Solve for x
    x = 127,148,287,334.31/552,719.88
  6. Step 6: Final answer
    x = 230,041.10

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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.