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Finding the Fourth Proportional to 573,536.32, 791,500.44 and 315,433.22

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Solution

The fourth proportional to 573,536.32, 791,500.44 and 315,433.22 is: 435,309.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,536.32 : 791,500.44 = 315,433.22 : x
  2. Step 2: Convert to fraction form
    573,536.32/791,500.44 = 315,433.22/x
  3. Step 3: Cross multiply
    573,536.32x = 791,500.44 × 315,433.22
  4. Step 4: Simplify right side
    573,536.32x = 249,665,532,420.62
  5. Step 5: Solve for x
    x = 249,665,532,420.62/573,536.32
  6. Step 6: Final answer
    x = 435,309.02

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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.