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Finding the Fourth Proportional to 575,064.98, 862,597.35 and 154,340.85

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Solution

The fourth proportional to 575,064.98, 862,597.35 and 154,340.85 is: 231,511.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,064.98 : 862,597.35 = 154,340.85 : x
  2. Step 2: Convert to fraction form
    575,064.98/862,597.35 = 154,340.85/x
  3. Step 3: Cross multiply
    575,064.98x = 862,597.35 × 154,340.85
  4. Step 4: Simplify right side
    575,064.98x = 133,134,007,435.04
  5. Step 5: Solve for x
    x = 133,134,007,435.04/575,064.98
  6. Step 6: Final answer
    x = 231,511.24

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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.