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Finding the Fourth Proportional to 325,708.90, 488,547.15 and 167,953.30

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Solution

The fourth proportional to 325,708.90, 488,547.15 and 167,953.30 is: 251,921.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,708.90 : 488,547.15 = 167,953.30 : x
  2. Step 2: Convert to fraction form
    325,708.90/488,547.15 = 167,953.30/x
  3. Step 3: Cross multiply
    325,708.90x = 488,547.15 × 167,953.30
  4. Step 4: Simplify right side
    325,708.90x = 82,053,106,048.10
  5. Step 5: Solve for x
    x = 82,053,106,048.10/325,708.90
  6. Step 6: Final answer
    x = 251,921.60

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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.