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Finding the Fourth Proportional to 295,635.60, 442,870.20 and 176,954.40

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Solution

The fourth proportional to 295,635.60, 442,870.20 and 176,954.40 is: 265,082.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,635.60 : 442,870.20 = 176,954.40 : x
  2. Step 2: Convert to fraction form
    295,635.60/442,870.20 = 176,954.40/x
  3. Step 3: Cross multiply
    295,635.60x = 442,870.20 × 176,954.40
  4. Step 4: Simplify right side
    295,635.60x = 78,367,830,518.88
  5. Step 5: Solve for x
    x = 78,367,830,518.88/295,635.60
  6. Step 6: Final answer
    x = 265,082.52

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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.