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Finding the Fourth Proportional to 583,247.40, 874,871.10 and 499,266.60

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Solution

The fourth proportional to 583,247.40, 874,871.10 and 499,266.60 is: 748,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,247.40 : 874,871.10 = 499,266.60 : x
  2. Step 2: Convert to fraction form
    583,247.40/874,871.10 = 499,266.60/x
  3. Step 3: Cross multiply
    583,247.40x = 874,871.10 × 499,266.60
  4. Step 4: Simplify right side
    583,247.40x = 436,793,919,535.26
  5. Step 5: Solve for x
    x = 436,793,919,535.26/583,247.40
  6. Step 6: Final answer
    x = 748,899.90

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Double scale
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Similar ratio
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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.