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Finding the Fourth Proportional to 376,779.65, 565,114.80 and 110,512.40

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Solution

The fourth proportional to 376,779.65, 565,114.80 and 110,512.40 is: 165,752.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,779.65 : 565,114.80 = 110,512.40 : x
  2. Step 2: Convert to fraction form
    376,779.65/565,114.80 = 110,512.40/x
  3. Step 3: Cross multiply
    376,779.65x = 565,114.80 × 110,512.40
  4. Step 4: Simplify right side
    376,779.65x = 62,452,192,823.52
  5. Step 5: Solve for x
    x = 62,452,192,823.52/376,779.65
  6. Step 6: Final answer
    x = 165,752.56

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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.