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Finding the Fourth Proportional to 475,157.22, 655,718.13 and 260,301.48

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Solution

The fourth proportional to 475,157.22, 655,718.13 and 260,301.48 is: 359,216.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,157.22 : 655,718.13 = 260,301.48 : x
  2. Step 2: Convert to fraction form
    475,157.22/655,718.13 = 260,301.48/x
  3. Step 3: Cross multiply
    475,157.22x = 655,718.13 × 260,301.48
  4. Step 4: Simplify right side
    475,157.22x = 170,684,399,701.83
  5. Step 5: Solve for x
    x = 170,684,399,701.83/475,157.22
  6. Step 6: Final answer
    x = 359,216.68

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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.