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Finding the Fourth Proportional to 347,565.54, 521,357.44 and 110,907.98

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Solution

The fourth proportional to 347,565.54, 521,357.44 and 110,907.98 is: 166,364.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,565.54 : 521,357.44 = 110,907.98 : x
  2. Step 2: Convert to fraction form
    347,565.54/521,357.44 = 110,907.98/x
  3. Step 3: Cross multiply
    347,565.54x = 521,357.44 × 110,907.98
  4. Step 4: Simplify right side
    347,565.54x = 57,822,700,528.37
  5. Step 5: Solve for x
    x = 57,822,700,528.37/347,565.54
  6. Step 6: Final answer
    x = 166,364.88

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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.