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Finding the Fourth Proportional to 552,723.20, 762,690.24 and 348,697.16

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Solution

The fourth proportional to 552,723.20, 762,690.24 and 348,697.16 is: 481,159.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,723.20 : 762,690.24 = 348,697.16 : x
  2. Step 2: Convert to fraction form
    552,723.20/762,690.24 = 348,697.16/x
  3. Step 3: Cross multiply
    552,723.20x = 762,690.24 × 348,697.16
  4. Step 4: Simplify right side
    552,723.20x = 265,947,920,647.72
  5. Step 5: Solve for x
    x = 265,947,920,647.72/552,723.20
  6. Step 6: Final answer
    x = 481,159.32

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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.