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Finding the Fourth Proportional to 427,998.16, 590,656.04 and 237,011.56

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Solution

The fourth proportional to 427,998.16, 590,656.04 and 237,011.56 is: 327,086.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,998.16 : 590,656.04 = 237,011.56 : x
  2. Step 2: Convert to fraction form
    427,998.16/590,656.04 = 237,011.56/x
  3. Step 3: Cross multiply
    427,998.16x = 590,656.04 × 237,011.56
  4. Step 4: Simplify right side
    427,998.16x = 139,992,307,690.92
  5. Step 5: Solve for x
    x = 139,992,307,690.92/427,998.16
  6. Step 6: Final answer
    x = 327,086.24

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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.