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Finding the Fourth Proportional to 522,196.40, 783,294.60 and 344,903.60

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Solution

The fourth proportional to 522,196.40, 783,294.60 and 344,903.60 is: 517,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,196.40 : 783,294.60 = 344,903.60 : x
  2. Step 2: Convert to fraction form
    522,196.40/783,294.60 = 344,903.60/x
  3. Step 3: Cross multiply
    522,196.40x = 783,294.60 × 344,903.60
  4. Step 4: Simplify right side
    522,196.40x = 270,161,127,400.56
  5. Step 5: Solve for x
    x = 270,161,127,400.56/522,196.40
  6. Step 6: Final answer
    x = 517,355.40

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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.