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Finding the Fourth Proportional to 292,498.80, 437,873.40 and 174,109.20

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Solution

The fourth proportional to 292,498.80, 437,873.40 and 174,109.20 is: 260,643.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,498.80 : 437,873.40 = 174,109.20 : x
  2. Step 2: Convert to fraction form
    292,498.80/437,873.40 = 174,109.20/x
  3. Step 3: Cross multiply
    292,498.80x = 437,873.40 × 174,109.20
  4. Step 4: Simplify right side
    292,498.80x = 76,237,787,375.28
  5. Step 5: Solve for x
    x = 76,237,787,375.28/292,498.80
  6. Step 6: Final answer
    x = 260,643.08

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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.