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Finding the Fourth Proportional to 292,135.56, 437,050.36 and 221,262.40

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Solution

The fourth proportional to 292,135.56, 437,050.36 and 221,262.40 is: 331,020.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,135.56 : 437,050.36 = 221,262.40 : x
  2. Step 2: Convert to fraction form
    292,135.56/437,050.36 = 221,262.40/x
  3. Step 3: Cross multiply
    292,135.56x = 437,050.36 × 221,262.40
  4. Step 4: Simplify right side
    292,135.56x = 96,702,811,574.46
  5. Step 5: Solve for x
    x = 96,702,811,574.46/292,135.56
  6. Step 6: Final answer
    x = 331,020.34

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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.