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Finding the Fourth Proportional to 467,316.68, 644,910.38 and 260,589.82

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Solution

The fourth proportional to 467,316.68, 644,910.38 and 260,589.82 is: 359,621.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,316.68 : 644,910.38 = 260,589.82 : x
  2. Step 2: Convert to fraction form
    467,316.68/644,910.38 = 260,589.82/x
  3. Step 3: Cross multiply
    467,316.68x = 644,910.38 × 260,589.82
  4. Step 4: Simplify right side
    467,316.68x = 168,057,079,840.33
  5. Step 5: Solve for x
    x = 168,057,079,840.33/467,316.68
  6. Step 6: Final answer
    x = 359,621.40

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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.