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Finding the Fourth Proportional to 341,314.20, 512,262.90 and 152,065.80

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Solution

The fourth proportional to 341,314.20, 512,262.90 and 152,065.80 is: 228,228.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,314.20 : 512,262.90 = 152,065.80 : x
  2. Step 2: Convert to fraction form
    341,314.20/512,262.90 = 152,065.80/x
  3. Step 3: Cross multiply
    341,314.20x = 512,262.90 × 152,065.80
  4. Step 4: Simplify right side
    341,314.20x = 77,897,667,698.82
  5. Step 5: Solve for x
    x = 77,897,667,698.82/341,314.20
  6. Step 6: Final answer
    x = 228,228.62

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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.