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Finding the Fourth Proportional to 330,792.48, 456,482.95 and 187,565.28

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Solution

The fourth proportional to 330,792.48, 456,482.95 and 187,565.28 is: 258,834.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,792.48 : 456,482.95 = 187,565.28 : x
  2. Step 2: Convert to fraction form
    330,792.48/456,482.95 = 187,565.28/x
  3. Step 3: Cross multiply
    330,792.48x = 456,482.95 × 187,565.28
  4. Step 4: Simplify right side
    330,792.48x = 85,620,351,394.15
  5. Step 5: Solve for x
    x = 85,620,351,394.15/330,792.48
  6. Step 6: Final answer
    x = 258,834.03

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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.