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Finding the Fourth Proportional to 524,815.60, 787,223.40 and 169,841.20

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Solution

The fourth proportional to 524,815.60, 787,223.40 and 169,841.20 is: 254,761.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,815.60 : 787,223.40 = 169,841.20 : x
  2. Step 2: Convert to fraction form
    524,815.60/787,223.40 = 169,841.20/x
  3. Step 3: Cross multiply
    524,815.60x = 787,223.40 × 169,841.20
  4. Step 4: Simplify right side
    524,815.60x = 133,702,966,924.08
  5. Step 5: Solve for x
    x = 133,702,966,924.08/524,815.60
  6. Step 6: Final answer
    x = 254,761.80

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Similar ratio
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1.5x scale

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.