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Finding the Fourth Proportional to 557,140.60, 835,710.90 and 202,166.20

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Solution

The fourth proportional to 557,140.60, 835,710.90 and 202,166.20 is: 303,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,140.60 : 835,710.90 = 202,166.20 : x
  2. Step 2: Convert to fraction form
    557,140.60/835,710.90 = 202,166.20/x
  3. Step 3: Cross multiply
    557,140.60x = 835,710.90 × 202,166.20
  4. Step 4: Simplify right side
    557,140.60x = 168,952,496,951.58
  5. Step 5: Solve for x
    x = 168,952,496,951.58/557,140.60
  6. Step 6: Final answer
    x = 303,249.30

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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.