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Finding the Fourth Proportional to 524,905.70, 787,358.55 and 169,955.60

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Solution

The fourth proportional to 524,905.70, 787,358.55 and 169,955.60 is: 254,933.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,905.70 : 787,358.55 = 169,955.60 : x
  2. Step 2: Convert to fraction form
    524,905.70/787,358.55 = 169,955.60/x
  3. Step 3: Cross multiply
    524,905.70x = 787,358.55 × 169,955.60
  4. Step 4: Simplify right side
    524,905.70x = 133,815,994,780.38
  5. Step 5: Solve for x
    x = 133,815,994,780.38/524,905.70
  6. Step 6: Final answer
    x = 254,933.40

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Double scale
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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.