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Finding the Fourth Proportional to 678,069.70, 936,233.85 and 594,088.90

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Solution

The fourth proportional to 678,069.70, 936,233.85 and 594,088.90 is: 820,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,069.70 : 936,233.85 = 594,088.90 : x
  2. Step 2: Convert to fraction form
    678,069.70/936,233.85 = 594,088.90/x
  3. Step 3: Cross multiply
    678,069.70x = 936,233.85 × 594,088.90
  4. Step 4: Simplify right side
    678,069.70x = 556,206,138,089.27
  5. Step 5: Solve for x
    x = 556,206,138,089.27/678,069.70
  6. Step 6: Final answer
    x = 820,278.71

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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.