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Finding the Fourth Proportional to 487,471.60, 730,170.60 and 404,527.60

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Solution

The fourth proportional to 487,471.60, 730,170.60 and 404,527.60 is: 605,931.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,471.60 : 730,170.60 = 404,527.60 : x
  2. Step 2: Convert to fraction form
    487,471.60/730,170.60 = 404,527.60/x
  3. Step 3: Cross multiply
    487,471.60x = 730,170.60 × 404,527.60
  4. Step 4: Simplify right side
    487,471.60x = 295,374,160,408.56
  5. Step 5: Solve for x
    x = 295,374,160,408.56/487,471.60
  6. Step 6: Final answer
    x = 605,931.01

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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.