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Finding the Fourth Proportional to 423,562.20, 584,568.50 and 242,248.96

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Solution

The fourth proportional to 423,562.20, 584,568.50 and 242,248.96 is: 334,333.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,562.20 : 584,568.50 = 242,248.96 : x
  2. Step 2: Convert to fraction form
    423,562.20/584,568.50 = 242,248.96/x
  3. Step 3: Cross multiply
    423,562.20x = 584,568.50 × 242,248.96
  4. Step 4: Simplify right side
    423,562.20x = 141,611,111,173.76
  5. Step 5: Solve for x
    x = 141,611,111,173.76/423,562.20
  6. Step 6: Final answer
    x = 334,333.69

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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.