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Finding the Fourth Proportional to 468,899.98, 701,340.54 and 434,864.86

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Solution

The fourth proportional to 468,899.98, 701,340.54 and 434,864.86 is: 650,433.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,899.98 : 701,340.54 = 434,864.86 : x
  2. Step 2: Convert to fraction form
    468,899.98/701,340.54 = 434,864.86/x
  3. Step 3: Cross multiply
    468,899.98x = 701,340.54 × 434,864.86
  4. Step 4: Simplify right side
    468,899.98x = 304,988,355,739.42
  5. Step 5: Solve for x
    x = 304,988,355,739.42/468,899.98
  6. Step 6: Final answer
    x = 650,433.71

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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.