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Finding the Fourth Proportional to 515,459.52, 773,300.52 and 155,600.58

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Solution

The fourth proportional to 515,459.52, 773,300.52 and 155,600.58 is: 233,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,459.52 : 773,300.52 = 155,600.58 : x
  2. Step 2: Convert to fraction form
    515,459.52/773,300.52 = 155,600.58/x
  3. Step 3: Cross multiply
    515,459.52x = 773,300.52 × 155,600.58
  4. Step 4: Simplify right side
    515,459.52x = 120,326,009,426.30
  5. Step 5: Solve for x
    x = 120,326,009,426.30/515,459.52
  6. Step 6: Final answer
    x = 233,434.45

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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.