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Finding the Fourth Proportional to 306,989.57, 460,473.95 and 93,748.86

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Solution

The fourth proportional to 306,989.57, 460,473.95 and 93,748.86 is: 140,620.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,989.57 : 460,473.95 = 93,748.86 : x
  2. Step 2: Convert to fraction form
    306,989.57/460,473.95 = 93,748.86/x
  3. Step 3: Cross multiply
    306,989.57x = 460,473.95 × 93,748.86
  4. Step 4: Simplify right side
    306,989.57x = 43,168,908,106.57
  5. Step 5: Solve for x
    x = 43,168,908,106.57/306,989.57
  6. Step 6: Final answer
    x = 140,620.11

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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.