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Finding the Fourth Proportional to 582,748.93, 874,248.45 and 330,150.43

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Solution

The fourth proportional to 582,748.93, 874,248.45 and 330,150.43 is: 495,296.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,748.93 : 874,248.45 = 330,150.43 : x
  2. Step 2: Convert to fraction form
    582,748.93/874,248.45 = 330,150.43/x
  3. Step 3: Cross multiply
    582,748.93x = 874,248.45 × 330,150.43
  4. Step 4: Simplify right side
    582,748.93x = 288,633,501,694.33
  5. Step 5: Solve for x
    x = 288,633,501,694.33/582,748.93
  6. Step 6: Final answer
    x = 495,296.49

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Double scale
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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.