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Finding the Fourth Proportional to 475,089.22, 655,623.28 and 260,237.03

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Solution

The fourth proportional to 475,089.22, 655,623.28 and 260,237.03 is: 359,127.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,089.22 : 655,623.28 = 260,237.03 : x
  2. Step 2: Convert to fraction form
    475,089.22/655,623.28 = 260,237.03/x
  3. Step 3: Cross multiply
    475,089.22x = 655,623.28 × 260,237.03
  4. Step 4: Simplify right side
    475,089.22x = 170,617,452,233.24
  5. Step 5: Solve for x
    x = 170,617,452,233.24/475,089.22
  6. Step 6: Final answer
    x = 359,127.18

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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.