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Finding the Fourth Proportional to 335,115.20, 502,818.60 and 168,903.20

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Solution

The fourth proportional to 335,115.20, 502,818.60 and 168,903.20 is: 253,428.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,115.20 : 502,818.60 = 168,903.20 : x
  2. Step 2: Convert to fraction form
    335,115.20/502,818.60 = 168,903.20/x
  3. Step 3: Cross multiply
    335,115.20x = 502,818.60 × 168,903.20
  4. Step 4: Simplify right side
    335,115.20x = 84,927,670,559.52
  5. Step 5: Solve for x
    x = 84,927,670,559.52/335,115.20
  6. Step 6: Final answer
    x = 253,428.29

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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.