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Finding the Fourth Proportional to 584.48, 877.17 and 260.07

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Solution

The fourth proportional to 584.48, 877.17 and 260.07 is: 390.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.48 : 877.17 = 260.07 : x
  2. Step 2: Convert to fraction form
    584.48/877.17 = 260.07/x
  3. Step 3: Cross multiply
    584.48x = 877.17 × 260.07
  4. Step 4: Simplify right side
    584.48x = 228,125.60
  5. Step 5: Solve for x
    x = 228,125.60/584.48
  6. Step 6: Final answer
    x = 390.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.