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Finding the Fourth Proportional to 197,483.60, 296,225.40 and 130,998.80

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Solution

The fourth proportional to 197,483.60, 296,225.40 and 130,998.80 is: 196,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,483.60 : 296,225.40 = 130,998.80 : x
  2. Step 2: Convert to fraction form
    197,483.60/296,225.40 = 130,998.80/x
  3. Step 3: Cross multiply
    197,483.60x = 296,225.40 × 130,998.80
  4. Step 4: Simplify right side
    197,483.60x = 38,805,171,929.52
  5. Step 5: Solve for x
    x = 38,805,171,929.52/197,483.60
  6. Step 6: Final answer
    x = 196,498.20

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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.