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Finding the Fourth Proportional to 401,501.22, 602,287.22 and 113,315.41

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Solution

The fourth proportional to 401,501.22, 602,287.22 and 113,315.41 is: 169,983.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,501.22 : 602,287.22 = 113,315.41 : x
  2. Step 2: Convert to fraction form
    401,501.22/602,287.22 = 113,315.41/x
  3. Step 3: Cross multiply
    401,501.22x = 602,287.22 × 113,315.41
  4. Step 4: Simplify right side
    401,501.22x = 68,248,423,272.06
  5. Step 5: Solve for x
    x = 68,248,423,272.06/401,501.22
  6. Step 6: Final answer
    x = 169,983.10

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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.