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Finding the Fourth Proportional to 475,223.88, 655,808.94 and 260,372.08

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Solution

The fourth proportional to 475,223.88, 655,808.94 and 260,372.08 is: 359,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,223.88 : 655,808.94 = 260,372.08 : x
  2. Step 2: Convert to fraction form
    475,223.88/655,808.94 = 260,372.08/x
  3. Step 3: Cross multiply
    475,223.88x = 655,808.94 × 260,372.08
  4. Step 4: Simplify right side
    475,223.88x = 170,754,337,790.40
  5. Step 5: Solve for x
    x = 170,754,337,790.40/475,223.88
  6. Step 6: Final answer
    x = 359,313.46

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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.