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Finding the Fourth Proportional to 298,392, 447,583.59 and 73,752.46

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Solution

The fourth proportional to 298,392, 447,583.59 and 73,752.46 is: 110,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,392 : 447,583.59 = 73,752.46 : x
  2. Step 2: Convert to fraction form
    298,392/447,583.59 = 73,752.46/x
  3. Step 3: Cross multiply
    298,392x = 447,583.59 × 73,752.46
  4. Step 4: Simplify right side
    298,392x = 33,010,390,818.13
  5. Step 5: Solve for x
    x = 33,010,390,818.13/298,392
  6. Step 6: Final answer
    x = 110,627.60

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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.