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Finding the Fourth Proportional to 240,657, 360,985.50 and 65,553

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Solution

The fourth proportional to 240,657, 360,985.50 and 65,553 is: 98,329.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,657 : 360,985.50 = 65,553 : x
  2. Step 2: Convert to fraction form
    240,657/360,985.50 = 65,553/x
  3. Step 3: Cross multiply
    240,657x = 360,985.50 × 65,553
  4. Step 4: Simplify right side
    240,657x = 23,663,682,481.50
  5. Step 5: Solve for x
    x = 23,663,682,481.50/240,657
  6. Step 6: Final answer
    x = 98,329.50

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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.