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Finding the Fourth Proportional to 488,547.88, 732,786.78 and 151,579.88

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Solution

The fourth proportional to 488,547.88, 732,786.78 and 151,579.88 is: 227,358.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,547.88 : 732,786.78 = 151,579.88 : x
  2. Step 2: Convert to fraction form
    488,547.88/732,786.78 = 151,579.88/x
  3. Step 3: Cross multiply
    488,547.88x = 732,786.78 × 151,579.88
  4. Step 4: Simplify right side
    488,547.88x = 111,075,732,177.99
  5. Step 5: Solve for x
    x = 111,075,732,177.99/488,547.88
  6. Step 6: Final answer
    x = 227,358.95

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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.