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Finding the Fourth Proportional to 524,595.20, 787,087.20 and 169,620.80

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Solution

The fourth proportional to 524,595.20, 787,087.20 and 169,620.80 is: 254,494.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,595.20 : 787,087.20 = 169,620.80 : x
  2. Step 2: Convert to fraction form
    524,595.20/787,087.20 = 169,620.80/x
  3. Step 3: Cross multiply
    524,595.20x = 787,087.20 × 169,620.80
  4. Step 4: Simplify right side
    524,595.20x = 133,506,360,533.76
  5. Step 5: Solve for x
    x = 133,506,360,533.76/524,595.20
  6. Step 6: Final answer
    x = 254,494.06

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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.