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Finding the Fourth Proportional to 488,380.10, 732,570.15 and 479,632.10

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Solution

The fourth proportional to 488,380.10, 732,570.15 and 479,632.10 is: 719,448.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,380.10 : 732,570.15 = 479,632.10 : x
  2. Step 2: Convert to fraction form
    488,380.10/732,570.15 = 479,632.10/x
  3. Step 3: Cross multiply
    488,380.10x = 732,570.15 × 479,632.10
  4. Step 4: Simplify right side
    488,380.10x = 351,364,159,441.82
  5. Step 5: Solve for x
    x = 351,364,159,441.82/488,380.10
  6. Step 6: Final answer
    x = 719,448.15

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Similar ratio
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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.