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Finding the Fourth Proportional to 524,029.60, 785,655.60 and 168,839.20

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Solution

The fourth proportional to 524,029.60, 785,655.60 and 168,839.20 is: 253,133.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,029.60 : 785,655.60 = 168,839.20 : x
  2. Step 2: Convert to fraction form
    524,029.60/785,655.60 = 168,839.20/x
  3. Step 3: Cross multiply
    524,029.60x = 785,655.60 × 168,839.20
  4. Step 4: Simplify right side
    524,029.60x = 132,649,462,979.52
  5. Step 5: Solve for x
    x = 132,649,462,979.52/524,029.60
  6. Step 6: Final answer
    x = 253,133.53

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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.