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Finding the Fourth Proportional to 364,135.61, 502,507.22 and 202,987.19

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Solution

The fourth proportional to 364,135.61, 502,507.22 and 202,987.19 is: 280,122.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,135.61 : 502,507.22 = 202,987.19 : x
  2. Step 2: Convert to fraction form
    364,135.61/502,507.22 = 202,987.19/x
  3. Step 3: Cross multiply
    364,135.61x = 502,507.22 × 202,987.19
  4. Step 4: Simplify right side
    364,135.61x = 102,002,525,015.04
  5. Step 5: Solve for x
    x = 102,002,525,015.04/364,135.61
  6. Step 6: Final answer
    x = 280,122.36

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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.