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Finding the Fourth Proportional to 522,803.60, 784,205.40 and 465,722.90

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Solution

The fourth proportional to 522,803.60, 784,205.40 and 465,722.90 is: 698,584.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,803.60 : 784,205.40 = 465,722.90 : x
  2. Step 2: Convert to fraction form
    522,803.60/784,205.40 = 465,722.90/x
  3. Step 3: Cross multiply
    522,803.60x = 784,205.40 × 465,722.90
  4. Step 4: Simplify right side
    522,803.60x = 365,222,413,083.66
  5. Step 5: Solve for x
    x = 365,222,413,083.66/522,803.60
  6. Step 6: Final answer
    x = 698,584.35

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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.