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Finding the Fourth Proportional to 295,311.60, 442,675.80 and 117,581.40

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Solution

The fourth proportional to 295,311.60, 442,675.80 and 117,581.40 is: 176,256.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,311.60 : 442,675.80 = 117,581.40 : x
  2. Step 2: Convert to fraction form
    295,311.60/442,675.80 = 117,581.40/x
  3. Step 3: Cross multiply
    295,311.60x = 442,675.80 × 117,581.40
  4. Step 4: Simplify right side
    295,311.60x = 52,050,440,310.12
  5. Step 5: Solve for x
    x = 52,050,440,310.12/295,311.60
  6. Step 6: Final answer
    x = 176,256.00

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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.