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Finding the Fourth Proportional to 306,695.85, 460,017.34 and 186,721.73

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Solution

The fourth proportional to 306,695.85, 460,017.34 and 186,721.73 is: 280,066.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,695.85 : 460,017.34 = 186,721.73 : x
  2. Step 2: Convert to fraction form
    306,695.85/460,017.34 = 186,721.73/x
  3. Step 3: Cross multiply
    306,695.85x = 460,017.34 × 186,721.73
  4. Step 4: Simplify right side
    306,695.85x = 85,895,233,554.80
  5. Step 5: Solve for x
    x = 85,895,233,554.80/306,695.85
  6. Step 6: Final answer
    x = 280,066.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.