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Finding the Fourth Proportional to 573,361.78, 791,254.44 and 315,249.52

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Solution

The fourth proportional to 573,361.78, 791,254.44 and 315,249.52 is: 435,052.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,361.78 : 791,254.44 = 315,249.52 : x
  2. Step 2: Convert to fraction form
    573,361.78/791,254.44 = 315,249.52/x
  3. Step 3: Cross multiply
    573,361.78x = 791,254.44 × 315,249.52
  4. Step 4: Simplify right side
    573,361.78x = 249,442,582,407.87
  5. Step 5: Solve for x
    x = 249,442,582,407.87/573,361.78
  6. Step 6: Final answer
    x = 435,052.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.