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Finding the Fourth Proportional to 464,444.76, 696,783.80 and 132,020.76

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Solution

The fourth proportional to 464,444.76, 696,783.80 and 132,020.76 is: 198,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,444.76 : 696,783.80 = 132,020.76 : x
  2. Step 2: Convert to fraction form
    464,444.76/696,783.80 = 132,020.76/x
  3. Step 3: Cross multiply
    464,444.76x = 696,783.80 × 132,020.76
  4. Step 4: Simplify right side
    464,444.76x = 91,989,926,831.69
  5. Step 5: Solve for x
    x = 91,989,926,831.69/464,444.76
  6. Step 6: Final answer
    x = 198,064.30

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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.