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Finding the Fourth Proportional to 609,275.88, 840,811.14 and 333,657.96

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Solution

The fourth proportional to 609,275.88, 840,811.14 and 333,657.96 is: 460,453.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,275.88 : 840,811.14 = 333,657.96 : x
  2. Step 2: Convert to fraction form
    609,275.88/840,811.14 = 333,657.96/x
  3. Step 3: Cross multiply
    609,275.88x = 840,811.14 × 333,657.96
  4. Step 4: Simplify right side
    609,275.88x = 280,543,329,717.67
  5. Step 5: Solve for x
    x = 280,543,329,717.67/609,275.88
  6. Step 6: Final answer
    x = 460,453.69

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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.