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Finding the Fourth Proportional to 581,253.40, 871,880.10 and 537,950.80

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Solution

The fourth proportional to 581,253.40, 871,880.10 and 537,950.80 is: 806,926.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,253.40 : 871,880.10 = 537,950.80 : x
  2. Step 2: Convert to fraction form
    581,253.40/871,880.10 = 537,950.80/x
  3. Step 3: Cross multiply
    581,253.40x = 871,880.10 × 537,950.80
  4. Step 4: Simplify right side
    581,253.40x = 469,028,597,299.08
  5. Step 5: Solve for x
    x = 469,028,597,299.08/581,253.40
  6. Step 6: Final answer
    x = 806,926.20

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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.