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Finding the Fourth Proportional to 360,035.04, 496,682.88 and 209,102.88

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Solution

The fourth proportional to 360,035.04, 496,682.88 and 209,102.88 is: 288,465.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,035.04 : 496,682.88 = 209,102.88 : x
  2. Step 2: Convert to fraction form
    360,035.04/496,682.88 = 209,102.88/x
  3. Step 3: Cross multiply
    360,035.04x = 496,682.88 × 209,102.88
  4. Step 4: Simplify right side
    360,035.04x = 103,857,820,654.69
  5. Step 5: Solve for x
    x = 103,857,820,654.69/360,035.04
  6. Step 6: Final answer
    x = 288,465.87

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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.