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Finding the Fourth Proportional to 341,569.44, 512,409.24 and 128,353.95

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Solution

The fourth proportional to 341,569.44, 512,409.24 and 128,353.95 is: 192,551.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,569.44 : 512,409.24 = 128,353.95 : x
  2. Step 2: Convert to fraction form
    341,569.44/512,409.24 = 128,353.95/x
  3. Step 3: Cross multiply
    341,569.44x = 512,409.24 × 128,353.95
  4. Step 4: Simplify right side
    341,569.44x = 65,769,749,970.50
  5. Step 5: Solve for x
    x = 65,769,749,970.50/341,569.44
  6. Step 6: Final answer
    x = 192,551.62

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1.5x scale

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.