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Finding the Fourth Proportional to 524,722.40, 787,083.59 and 499,226.84

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Solution

The fourth proportional to 524,722.40, 787,083.59 and 499,226.84 is: 748,840.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,722.40 : 787,083.59 = 499,226.84 : x
  2. Step 2: Convert to fraction form
    524,722.40/787,083.59 = 499,226.84/x
  3. Step 3: Cross multiply
    524,722.40x = 787,083.59 × 499,226.84
  4. Step 4: Simplify right side
    524,722.40x = 392,933,250,764.21
  5. Step 5: Solve for x
    x = 392,933,250,764.21/524,722.40
  6. Step 6: Final answer
    x = 748,840.25

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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.