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Finding the Fourth Proportional to 502,116.42, 692,926.07 and 275,761.92

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Solution

The fourth proportional to 502,116.42, 692,926.07 and 275,761.92 is: 380,554.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,116.42 : 692,926.07 = 275,761.92 : x
  2. Step 2: Convert to fraction form
    502,116.42/692,926.07 = 275,761.92/x
  3. Step 3: Cross multiply
    502,116.42x = 692,926.07 × 275,761.92
  4. Step 4: Simplify right side
    502,116.42x = 191,082,622,102.45
  5. Step 5: Solve for x
    x = 191,082,622,102.45/502,116.42
  6. Step 6: Final answer
    x = 380,554.42

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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.