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Finding the Fourth Proportional to 295,913.20, 444,148.20 and 155,772.40

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Solution

The fourth proportional to 295,913.20, 444,148.20 and 155,772.40 is: 233,805.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,913.20 : 444,148.20 = 155,772.40 : x
  2. Step 2: Convert to fraction form
    295,913.20/444,148.20 = 155,772.40/x
  3. Step 3: Cross multiply
    295,913.20x = 444,148.20 × 155,772.40
  4. Step 4: Simplify right side
    295,913.20x = 69,186,031,069.68
  5. Step 5: Solve for x
    x = 69,186,031,069.68/295,913.20
  6. Step 6: Final answer
    x = 233,805.15

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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.