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Finding the Fourth Proportional to 363,918.52, 502,415.96 and 243,264.16

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Solution

The fourth proportional to 363,918.52, 502,415.96 and 243,264.16 is: 335,843.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,918.52 : 502,415.96 = 243,264.16 : x
  2. Step 2: Convert to fraction form
    363,918.52/502,415.96 = 243,264.16/x
  3. Step 3: Cross multiply
    363,918.52x = 502,415.96 × 243,264.16
  4. Step 4: Simplify right side
    363,918.52x = 122,219,796,479.99
  5. Step 5: Solve for x
    x = 122,219,796,479.99/363,918.52
  6. Step 6: Final answer
    x = 335,843.85

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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.