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Finding the Fourth Proportional to 239,688, 359,532 and 64,584

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Solution

The fourth proportional to 239,688, 359,532 and 64,584 is: 96,876

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,688 : 359,532 = 64,584 : x
  2. Step 2: Convert to fraction form
    239,688/359,532 = 64,584/x
  3. Step 3: Cross multiply
    239,688x = 359,532 × 64,584
  4. Step 4: Simplify right side
    239,688x = 23,220,014,688
  5. Step 5: Solve for x
    x = 23,220,014,688/239,688
  6. Step 6: Final answer
    x = 96,876

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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.