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Finding the Fourth Proportional to 370,151.15, 510,808.76 and 200,385.27

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Solution

The fourth proportional to 370,151.15, 510,808.76 and 200,385.27 is: 276,531.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,151.15 : 510,808.76 = 200,385.27 : x
  2. Step 2: Convert to fraction form
    370,151.15/510,808.76 = 200,385.27/x
  3. Step 3: Cross multiply
    370,151.15x = 510,808.76 × 200,385.27
  4. Step 4: Simplify right side
    370,151.15x = 102,358,550,289.04
  5. Step 5: Solve for x
    x = 102,358,550,289.04/370,151.15
  6. Step 6: Final answer
    x = 276,531.77

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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.