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Finding the Fourth Proportional to 335,005.60, 502,508.40 and 202,295.20

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Solution

The fourth proportional to 335,005.60, 502,508.40 and 202,295.20 is: 303,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,005.60 : 502,508.40 = 202,295.20 : x
  2. Step 2: Convert to fraction form
    335,005.60/502,508.40 = 202,295.20/x
  3. Step 3: Cross multiply
    335,005.60x = 502,508.40 × 202,295.20
  4. Step 4: Simplify right side
    335,005.60x = 101,655,037,279.68
  5. Step 5: Solve for x
    x = 101,655,037,279.68/335,005.60
  6. Step 6: Final answer
    x = 303,442.80

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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.