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Finding the Fourth Proportional to 432,696.79, 597,118.30 and 239,117.55

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Solution

The fourth proportional to 432,696.79, 597,118.30 and 239,117.55 is: 329,980.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,696.79 : 597,118.30 = 239,117.55 : x
  2. Step 2: Convert to fraction form
    432,696.79/597,118.30 = 239,117.55/x
  3. Step 3: Cross multiply
    432,696.79x = 597,118.30 × 239,117.55
  4. Step 4: Simplify right side
    432,696.79x = 142,781,465,477.97
  5. Step 5: Solve for x
    x = 142,781,465,477.97/432,696.79
  6. Step 6: Final answer
    x = 329,980.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.