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Finding the Fourth Proportional to 346,572.44, 520,053.06 and 188,811.98

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Solution

The fourth proportional to 346,572.44, 520,053.06 and 188,811.98 is: 283,323.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,572.44 : 520,053.06 = 188,811.98 : x
  2. Step 2: Convert to fraction form
    346,572.44/520,053.06 = 188,811.98/x
  3. Step 3: Cross multiply
    346,572.44x = 520,053.06 × 188,811.98
  4. Step 4: Simplify right side
    346,572.44x = 98,192,247,963.66
  5. Step 5: Solve for x
    x = 98,192,247,963.66/346,572.44
  6. Step 6: Final answer
    x = 283,323.88

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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.