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Finding the Fourth Proportional to 502,116.67, 692,926.41 and 275,762.17

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Solution

The fourth proportional to 502,116.67, 692,926.41 and 275,762.17 is: 380,554.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,116.67 : 692,926.41 = 275,762.17 : x
  2. Step 2: Convert to fraction form
    502,116.67/692,926.41 = 275,762.17/x
  3. Step 3: Cross multiply
    502,116.67x = 692,926.41 × 275,762.17
  4. Step 4: Simplify right side
    502,116.67x = 191,082,890,471.91
  5. Step 5: Solve for x
    x = 191,082,890,471.91/502,116.67
  6. Step 6: Final answer
    x = 380,554.76

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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.