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Finding the Fourth Proportional to 600,842.09, 900,640.18 and 375,685.66

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Solution

The fourth proportional to 600,842.09, 900,640.18 and 375,685.66 is: 563,138.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,842.09 : 900,640.18 = 375,685.66 : x
  2. Step 2: Convert to fraction form
    600,842.09/900,640.18 = 375,685.66/x
  3. Step 3: Cross multiply
    600,842.09x = 900,640.18 × 375,685.66
  4. Step 4: Simplify right side
    600,842.09x = 338,357,597,255.00
  5. Step 5: Solve for x
    x = 338,357,597,255.00/600,842.09
  6. Step 6: Final answer
    x = 563,138.97

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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.