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Finding the Fourth Proportional to 474,916.67, 655,383.91 and 260,054.85

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Solution

The fourth proportional to 474,916.67, 655,383.91 and 260,054.85 is: 358,875.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,916.67 : 655,383.91 = 260,054.85 : x
  2. Step 2: Convert to fraction form
    474,916.67/655,383.91 = 260,054.85/x
  3. Step 3: Cross multiply
    474,916.67x = 655,383.91 × 260,054.85
  4. Step 4: Simplify right side
    474,916.67x = 170,435,766,702.62
  5. Step 5: Solve for x
    x = 170,435,766,702.62/474,916.67
  6. Step 6: Final answer
    x = 358,875.10

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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.