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Finding the Fourth Proportional to 590,856.48, 886,410.72 and 270,853.92

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Solution

The fourth proportional to 590,856.48, 886,410.72 and 270,853.92 is: 406,338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,856.48 : 886,410.72 = 270,853.92 : x
  2. Step 2: Convert to fraction form
    590,856.48/886,410.72 = 270,853.92/x
  3. Step 3: Cross multiply
    590,856.48x = 886,410.72 × 270,853.92
  4. Step 4: Simplify right side
    590,856.48x = 240,087,818,242.02
  5. Step 5: Solve for x
    x = 240,087,818,242.02/590,856.48
  6. Step 6: Final answer
    x = 406,338.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.