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Finding the Fourth Proportional to 353,049.01, 487,205.66 and 200,116.11

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Solution

The fourth proportional to 353,049.01, 487,205.66 and 200,116.11 is: 276,159.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,049.01 : 487,205.66 = 200,116.11 : x
  2. Step 2: Convert to fraction form
    353,049.01/487,205.66 = 200,116.11/x
  3. Step 3: Cross multiply
    353,049.01x = 487,205.66 × 200,116.11
  4. Step 4: Simplify right side
    353,049.01x = 97,497,700,448.60
  5. Step 5: Solve for x
    x = 97,497,700,448.60/353,049.01
  6. Step 6: Final answer
    x = 276,159.11

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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.