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Finding the Fourth Proportional to 609,193.76, 840,655.42 and 333,498.76

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Solution

The fourth proportional to 609,193.76, 840,655.42 and 333,498.76 is: 460,210.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,193.76 : 840,655.42 = 333,498.76 : x
  2. Step 2: Convert to fraction form
    609,193.76/840,655.42 = 333,498.76/x
  3. Step 3: Cross multiply
    609,193.76x = 840,655.42 × 333,498.76
  4. Step 4: Simplify right side
    609,193.76x = 280,357,540,157.28
  5. Step 5: Solve for x
    x = 280,357,540,157.28/609,193.76
  6. Step 6: Final answer
    x = 460,210.79

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Double scale
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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.