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Finding the Fourth Proportional to 605,807.20, 836,013.90 and 333,875.08

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Solution

The fourth proportional to 605,807.20, 836,013.90 and 333,875.08 is: 460,747.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,807.20 : 836,013.90 = 333,875.08 : x
  2. Step 2: Convert to fraction form
    605,807.20/836,013.90 = 333,875.08/x
  3. Step 3: Cross multiply
    605,807.20x = 836,013.90 × 333,875.08
  4. Step 4: Simplify right side
    605,807.20x = 279,124,207,743.61
  5. Step 5: Solve for x
    x = 279,124,207,743.61/605,807.20
  6. Step 6: Final answer
    x = 460,747.59

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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.