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Finding the Fourth Proportional to 653,139.90, 979,119.36 and 232,317.36

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Solution

The fourth proportional to 653,139.90, 979,119.36 and 232,317.36 is: 348,266.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,139.90 : 979,119.36 = 232,317.36 : x
  2. Step 2: Convert to fraction form
    653,139.90/979,119.36 = 232,317.36/x
  3. Step 3: Cross multiply
    653,139.90x = 979,119.36 × 232,317.36
  4. Step 4: Simplify right side
    653,139.90x = 227,466,424,840.09
  5. Step 5: Solve for x
    x = 227,466,424,840.09/653,139.90
  6. Step 6: Final answer
    x = 348,266.01

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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.