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Finding the Fourth Proportional to 586,301.10, 878,272.26 and 444,389.10

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Solution

The fourth proportional to 586,301.10, 878,272.26 and 444,389.10 is: 665,689.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,301.10 : 878,272.26 = 444,389.10 : x
  2. Step 2: Convert to fraction form
    586,301.10/878,272.26 = 444,389.10/x
  3. Step 3: Cross multiply
    586,301.10x = 878,272.26 × 444,389.10
  4. Step 4: Simplify right side
    586,301.10x = 390,294,619,176.37
  5. Step 5: Solve for x
    x = 390,294,619,176.37/586,301.10
  6. Step 6: Final answer
    x = 665,689.73

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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.