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Finding the Fourth Proportional to 606,387.05, 836,812.45 and 348,280.73

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Solution

The fourth proportional to 606,387.05, 836,812.45 and 348,280.73 is: 480,626.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,387.05 : 836,812.45 = 348,280.73 : x
  2. Step 2: Convert to fraction form
    606,387.05/836,812.45 = 348,280.73/x
  3. Step 3: Cross multiply
    606,387.05x = 836,812.45 × 348,280.73
  4. Step 4: Simplify right side
    606,387.05x = 291,445,650,348.42
  5. Step 5: Solve for x
    x = 291,445,650,348.42/606,387.05
  6. Step 6: Final answer
    x = 480,626.44

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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.