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Finding the Fourth Proportional to 475,045.62, 655,539.57 and 260,186.64

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Solution

The fourth proportional to 475,045.62, 655,539.57 and 260,186.64 is: 359,044.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,045.62 : 655,539.57 = 260,186.64 : x
  2. Step 2: Convert to fraction form
    475,045.62/655,539.57 = 260,186.64/x
  3. Step 3: Cross multiply
    475,045.62x = 655,539.57 × 260,186.64
  4. Step 4: Simplify right side
    475,045.62x = 170,562,638,105.35
  5. Step 5: Solve for x
    x = 170,562,638,105.35/475,045.62
  6. Step 6: Final answer
    x = 359,044.75

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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.