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Finding the Fourth Proportional to 245,427.90, 367,623.45 and 245,427.90

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Solution

The fourth proportional to 245,427.90, 367,623.45 and 245,427.90 is: 367,623.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,427.90 : 367,623.45 = 245,427.90 : x
  2. Step 2: Convert to fraction form
    245,427.90/367,623.45 = 245,427.90/x
  3. Step 3: Cross multiply
    245,427.90x = 367,623.45 × 245,427.90
  4. Step 4: Simplify right side
    245,427.90x = 90,225,051,324.26
  5. Step 5: Solve for x
    x = 90,225,051,324.26/245,427.90
  6. Step 6: Final answer
    x = 367,623.45

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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.