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Finding the Fourth Proportional to 583,104.40, 875,002.20 and 383,995.60

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Solution

The fourth proportional to 583,104.40, 875,002.20 and 383,995.60 is: 576,220.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,104.40 : 875,002.20 = 383,995.60 : x
  2. Step 2: Convert to fraction form
    583,104.40/875,002.20 = 383,995.60/x
  3. Step 3: Cross multiply
    583,104.40x = 875,002.20 × 383,995.60
  4. Step 4: Simplify right side
    583,104.40x = 335,996,994,790.32
  5. Step 5: Solve for x
    x = 335,996,994,790.32/583,104.40
  6. Step 6: Final answer
    x = 576,220.99

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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.