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Finding the Fourth Proportional to 400,257.18, 600,592.72 and 175,775.40

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Solution

The fourth proportional to 400,257.18, 600,592.72 and 175,775.40 is: 263,753.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,257.18 : 600,592.72 = 175,775.40 : x
  2. Step 2: Convert to fraction form
    400,257.18/600,592.72 = 175,775.40/x
  3. Step 3: Cross multiply
    400,257.18x = 600,592.72 × 175,775.40
  4. Step 4: Simplify right side
    400,257.18x = 105,569,425,595.09
  5. Step 5: Solve for x
    x = 105,569,425,595.09/400,257.18
  6. Step 6: Final answer
    x = 263,753.98

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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.