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Finding the Fourth Proportional to 609,145.31, 840,630.44 and 333,498.53

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Solution

The fourth proportional to 609,145.31, 840,630.44 and 333,498.53 is: 460,233.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,145.31 : 840,630.44 = 333,498.53 : x
  2. Step 2: Convert to fraction form
    609,145.31/840,630.44 = 333,498.53/x
  3. Step 3: Cross multiply
    609,145.31x = 840,630.44 × 333,498.53
  4. Step 4: Simplify right side
    609,145.31x = 280,349,016,013.25
  5. Step 5: Solve for x
    x = 280,349,016,013.25/609,145.31
  6. Step 6: Final answer
    x = 460,233.40

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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.