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Finding the Fourth Proportional to 349,432.83, 524,391.57 and 159,916.32

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Solution

The fourth proportional to 349,432.83, 524,391.57 and 159,916.32 is: 239,985.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,432.83 : 524,391.57 = 159,916.32 : x
  2. Step 2: Convert to fraction form
    349,432.83/524,391.57 = 159,916.32/x
  3. Step 3: Cross multiply
    349,432.83x = 524,391.57 × 159,916.32
  4. Step 4: Simplify right side
    349,432.83x = 83,858,770,113.42
  5. Step 5: Solve for x
    x = 83,858,770,113.42/349,432.83
  6. Step 6: Final answer
    x = 239,985.38

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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.