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Finding the Fourth Proportional to 360,959.07, 498,121.62 and 197,630.40

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Solution

The fourth proportional to 360,959.07, 498,121.62 and 197,630.40 is: 272,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,959.07 : 498,121.62 = 197,630.40 : x
  2. Step 2: Convert to fraction form
    360,959.07/498,121.62 = 197,630.40/x
  3. Step 3: Cross multiply
    360,959.07x = 498,121.62 × 197,630.40
  4. Step 4: Simplify right side
    360,959.07x = 98,443,975,009.25
  5. Step 5: Solve for x
    x = 98,443,975,009.25/360,959.07
  6. Step 6: Final answer
    x = 272,728.91

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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.