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Finding the Fourth Proportional to 554,987.69, 832,387.64 and 155,536.52

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Solution

The fourth proportional to 554,987.69, 832,387.64 and 155,536.52 is: 233,278.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,987.69 : 832,387.64 = 155,536.52 : x
  2. Step 2: Convert to fraction form
    554,987.69/832,387.64 = 155,536.52/x
  3. Step 3: Cross multiply
    554,987.69x = 832,387.64 × 155,536.52
  4. Step 4: Simplify right side
    554,987.69x = 129,466,671,876.99
  5. Step 5: Solve for x
    x = 129,466,671,876.99/554,987.69
  6. Step 6: Final answer
    x = 233,278.46

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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.