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Finding the Fourth Proportional to 238,327.98, 328,896.57 and 130,907.94

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Solution

The fourth proportional to 238,327.98, 328,896.57 and 130,907.94 is: 180,655.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,327.98 : 328,896.57 = 130,907.94 : x
  2. Step 2: Convert to fraction form
    238,327.98/328,896.57 = 130,907.94/x
  3. Step 3: Cross multiply
    238,327.98x = 328,896.57 × 130,907.94
  4. Step 4: Simplify right side
    238,327.98x = 43,055,172,451.77
  5. Step 5: Solve for x
    x = 43,055,172,451.77/238,327.98
  6. Step 6: Final answer
    x = 180,655.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.