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Finding the Fourth Proportional to 423,563.76, 584,570.66 and 242,250.53

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Solution

The fourth proportional to 423,563.76, 584,570.66 and 242,250.53 is: 334,335.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,563.76 : 584,570.66 = 242,250.53 : x
  2. Step 2: Convert to fraction form
    423,563.76/584,570.66 = 242,250.53/x
  3. Step 3: Cross multiply
    423,563.76x = 584,570.66 × 242,250.53
  4. Step 4: Simplify right side
    423,563.76x = 141,612,548,073.34
  5. Step 5: Solve for x
    x = 141,612,548,073.34/423,563.76
  6. Step 6: Final answer
    x = 334,335.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.