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Finding the Fourth Proportional to 583,530.40, 875,295.60 and 394,573.60

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Solution

The fourth proportional to 583,530.40, 875,295.60 and 394,573.60 is: 591,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,530.40 : 875,295.60 = 394,573.60 : x
  2. Step 2: Convert to fraction form
    583,530.40/875,295.60 = 394,573.60/x
  3. Step 3: Cross multiply
    583,530.40x = 875,295.60 × 394,573.60
  4. Step 4: Simplify right side
    583,530.40x = 345,368,535,956.16
  5. Step 5: Solve for x
    x = 345,368,535,956.16/583,530.40
  6. Step 6: Final answer
    x = 591,860.40

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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.