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Finding the Fourth Proportional to 281,622.17, 423,319 and 244,642.74

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Solution

The fourth proportional to 281,622.17, 423,319 and 244,642.74 is: 367,733.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,622.17 : 423,319 = 244,642.74 : x
  2. Step 2: Convert to fraction form
    281,622.17/423,319 = 244,642.74/x
  3. Step 3: Cross multiply
    281,622.17x = 423,319 × 244,642.74
  4. Step 4: Simplify right side
    281,622.17x = 103,561,920,054.06
  5. Step 5: Solve for x
    x = 103,561,920,054.06/281,622.17
  6. Step 6: Final answer
    x = 367,733.55

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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.