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Finding the Fourth Proportional to 306,572.60, 460,077.60 and 173,311.40

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Solution

The fourth proportional to 306,572.60, 460,077.60 and 173,311.40 is: 260,090.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,572.60 : 460,077.60 = 173,311.40 : x
  2. Step 2: Convert to fraction form
    306,572.60/460,077.60 = 173,311.40/x
  3. Step 3: Cross multiply
    306,572.60x = 460,077.60 × 173,311.40
  4. Step 4: Simplify right side
    306,572.60x = 79,736,692,964.64
  5. Step 5: Solve for x
    x = 79,736,692,964.64/306,572.60
  6. Step 6: Final answer
    x = 260,090.74

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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.