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Finding the Fourth Proportional to 295,907.04, 408,330.72 and 168,559.20

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Solution

The fourth proportional to 295,907.04, 408,330.72 and 168,559.20 is: 232,599.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,907.04 : 408,330.72 = 168,559.20 : x
  2. Step 2: Convert to fraction form
    295,907.04/408,330.72 = 168,559.20/x
  3. Step 3: Cross multiply
    295,907.04x = 408,330.72 × 168,559.20
  4. Step 4: Simplify right side
    295,907.04x = 68,827,899,498.62
  5. Step 5: Solve for x
    x = 68,827,899,498.62/295,907.04
  6. Step 6: Final answer
    x = 232,599.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.