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Finding the Fourth Proportional to 583,333.60, 875,194.80 and 520,621.60

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Solution

The fourth proportional to 583,333.60, 875,194.80 and 520,621.60 is: 781,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,333.60 : 875,194.80 = 520,621.60 : x
  2. Step 2: Convert to fraction form
    583,333.60/875,194.80 = 520,621.60/x
  3. Step 3: Cross multiply
    583,333.60x = 875,194.80 × 520,621.60
  4. Step 4: Simplify right side
    583,333.60x = 455,645,317,087.68
  5. Step 5: Solve for x
    x = 455,645,317,087.68/583,333.60
  6. Step 6: Final answer
    x = 781,105.90

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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.