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Finding the Fourth Proportional to 370,234.76, 510,924.32 and 200,468.48

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Solution

The fourth proportional to 370,234.76, 510,924.32 and 200,468.48 is: 276,646.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,234.76 : 510,924.32 = 200,468.48 : x
  2. Step 2: Convert to fraction form
    370,234.76/510,924.32 = 200,468.48/x
  3. Step 3: Cross multiply
    370,234.76x = 510,924.32 × 200,468.48
  4. Step 4: Simplify right side
    370,234.76x = 102,424,218,268.47
  5. Step 5: Solve for x
    x = 102,424,218,268.47/370,234.76
  6. Step 6: Final answer
    x = 276,646.69

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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.