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Finding the Fourth Proportional to 488,215.66, 732,392.76 and 151,282.78

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Solution

The fourth proportional to 488,215.66, 732,392.76 and 151,282.78 is: 226,945.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,215.66 : 732,392.76 = 151,282.78 : x
  2. Step 2: Convert to fraction form
    488,215.66/732,392.76 = 151,282.78/x
  3. Step 3: Cross multiply
    488,215.66x = 732,392.76 × 151,282.78
  4. Step 4: Simplify right side
    488,215.66x = 110,798,412,784.67
  5. Step 5: Solve for x
    x = 110,798,412,784.67/488,215.66
  6. Step 6: Final answer
    x = 226,945.63

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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.