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Finding the Fourth Proportional to 330,792.35, 456,482.77 and 187,565.15

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Solution

The fourth proportional to 330,792.35, 456,482.77 and 187,565.15 is: 258,833.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,792.35 : 456,482.77 = 187,565.15 : x
  2. Step 2: Convert to fraction form
    330,792.35/456,482.77 = 187,565.15/x
  3. Step 3: Cross multiply
    330,792.35x = 456,482.77 × 187,565.15
  4. Step 4: Simplify right side
    330,792.35x = 85,620,260,603.13
  5. Step 5: Solve for x
    x = 85,620,260,603.13/330,792.35
  6. Step 6: Final answer
    x = 258,833.86

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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.