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Finding the Fourth Proportional to 261,578.34, 361,087.80 and 176,810.22

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Solution

The fourth proportional to 261,578.34, 361,087.80 and 176,810.22 is: 244,072.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,578.34 : 361,087.80 = 176,810.22 : x
  2. Step 2: Convert to fraction form
    261,578.34/361,087.80 = 176,810.22/x
  3. Step 3: Cross multiply
    261,578.34x = 361,087.80 × 176,810.22
  4. Step 4: Simplify right side
    261,578.34x = 63,844,013,357.32
  5. Step 5: Solve for x
    x = 63,844,013,357.32/261,578.34
  6. Step 6: Final answer
    x = 244,072.25

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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.