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Finding the Fourth Proportional to 582,849.64, 874,398.30 and 330,248.20

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Solution

The fourth proportional to 582,849.64, 874,398.30 and 330,248.20 is: 495,442.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,849.64 : 874,398.30 = 330,248.20 : x
  2. Step 2: Convert to fraction form
    582,849.64/874,398.30 = 330,248.20/x
  3. Step 3: Cross multiply
    582,849.64x = 874,398.30 × 330,248.20
  4. Step 4: Simplify right side
    582,849.64x = 288,768,464,658.06
  5. Step 5: Solve for x
    x = 288,768,464,658.06/582,849.64
  6. Step 6: Final answer
    x = 495,442.47

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Double scale
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Similar ratio
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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.