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Finding the Fourth Proportional to 506,961.60, 760,442.40 and 133,022.40

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Solution

The fourth proportional to 506,961.60, 760,442.40 and 133,022.40 is: 199,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,961.60 : 760,442.40 = 133,022.40 : x
  2. Step 2: Convert to fraction form
    506,961.60/760,442.40 = 133,022.40/x
  3. Step 3: Cross multiply
    506,961.60x = 760,442.40 × 133,022.40
  4. Step 4: Simplify right side
    506,961.60x = 101,155,873,109.76
  5. Step 5: Solve for x
    x = 101,155,873,109.76/506,961.60
  6. Step 6: Final answer
    x = 199,533.60

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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.