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Finding the Fourth Proportional to 310,497.76, 465,746.58 and 132,889.60

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Solution

The fourth proportional to 310,497.76, 465,746.58 and 132,889.60 is: 199,334.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,497.76 : 465,746.58 = 132,889.60 : x
  2. Step 2: Convert to fraction form
    310,497.76/465,746.58 = 132,889.60/x
  3. Step 3: Cross multiply
    310,497.76x = 465,746.58 × 132,889.60
  4. Step 4: Simplify right side
    310,497.76x = 61,892,876,717.57
  5. Step 5: Solve for x
    x = 61,892,876,717.57/310,497.76
  6. Step 6: Final answer
    x = 199,334.37

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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.