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Finding the Fourth Proportional to 674,616.91, 930,881.39 and 433,226.45

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Solution

The fourth proportional to 674,616.91, 930,881.39 and 433,226.45 is: 597,794.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,616.91 : 930,881.39 = 433,226.45 : x
  2. Step 2: Convert to fraction form
    674,616.91/930,881.39 = 433,226.45/x
  3. Step 3: Cross multiply
    674,616.91x = 930,881.39 × 433,226.45
  4. Step 4: Simplify right side
    674,616.91x = 403,282,436,631.03
  5. Step 5: Solve for x
    x = 403,282,436,631.03/674,616.91
  6. Step 6: Final answer
    x = 597,794.74

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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.