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Finding the Fourth Proportional to 220,599.90, 302,444.97 and 216,614.07

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Solution

The fourth proportional to 220,599.90, 302,444.97 and 216,614.07 is: 296,980.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,599.90 : 302,444.97 = 216,614.07 : x
  2. Step 2: Convert to fraction form
    220,599.90/302,444.97 = 216,614.07/x
  3. Step 3: Cross multiply
    220,599.90x = 302,444.97 × 216,614.07
  4. Step 4: Simplify right side
    220,599.90x = 65,513,835,902.73
  5. Step 5: Solve for x
    x = 65,513,835,902.73/220,599.90
  6. Step 6: Final answer
    x = 296,980.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.