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Finding the Fourth Proportional to 583,924.80, 875,878.56 and 317,622.72

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Solution

The fourth proportional to 583,924.80, 875,878.56 and 317,622.72 is: 476,429.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,924.80 : 875,878.56 = 317,622.72 : x
  2. Step 2: Convert to fraction form
    583,924.80/875,878.56 = 317,622.72/x
  3. Step 3: Cross multiply
    583,924.80x = 875,878.56 × 317,622.72
  4. Step 4: Simplify right side
    583,924.80x = 278,198,930,616.88
  5. Step 5: Solve for x
    x = 278,198,930,616.88/583,924.80
  6. Step 6: Final answer
    x = 476,429.38

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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.