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Finding the Fourth Proportional to 363,783.74, 502,022.02 and 198,210.92

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Solution

The fourth proportional to 363,783.74, 502,022.02 and 198,210.92 is: 273,531.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,783.74 : 502,022.02 = 198,210.92 : x
  2. Step 2: Convert to fraction form
    363,783.74/502,022.02 = 198,210.92/x
  3. Step 3: Cross multiply
    363,783.74x = 502,022.02 × 198,210.92
  4. Step 4: Simplify right side
    363,783.74x = 99,506,244,380.11
  5. Step 5: Solve for x
    x = 99,506,244,380.11/363,783.74
  6. Step 6: Final answer
    x = 273,531.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.