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Finding the Fourth Proportional to 364,126.60, 502,494.80 and 202,978.18

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Solution

The fourth proportional to 364,126.60, 502,494.80 and 202,978.18 is: 280,109.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,126.60 : 502,494.80 = 202,978.18 : x
  2. Step 2: Convert to fraction form
    364,126.60/502,494.80 = 202,978.18/x
  3. Step 3: Cross multiply
    364,126.60x = 502,494.80 × 202,978.18
  4. Step 4: Simplify right side
    364,126.60x = 101,995,477,692.34
  5. Step 5: Solve for x
    x = 101,995,477,692.34/364,126.60
  6. Step 6: Final answer
    x = 280,109.94

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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.