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Finding the Fourth Proportional to 594,404.64, 820,278.34 and 339,761.28

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Solution

The fourth proportional to 594,404.64, 820,278.34 and 339,761.28 is: 468,870.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,404.64 : 820,278.34 = 339,761.28 : x
  2. Step 2: Convert to fraction form
    594,404.64/820,278.34 = 339,761.28/x
  3. Step 3: Cross multiply
    594,404.64x = 820,278.34 × 339,761.28
  4. Step 4: Simplify right side
    594,404.64x = 278,698,818,754.68
  5. Step 5: Solve for x
    x = 278,698,818,754.68/594,404.64
  6. Step 6: Final answer
    x = 468,870.53

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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.