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Finding the Fourth Proportional to 272,028.30, 408,042.45 and 183,554.70

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Solution

The fourth proportional to 272,028.30, 408,042.45 and 183,554.70 is: 275,332.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,028.30 : 408,042.45 = 183,554.70 : x
  2. Step 2: Convert to fraction form
    272,028.30/408,042.45 = 183,554.70/x
  3. Step 3: Cross multiply
    272,028.30x = 408,042.45 × 183,554.70
  4. Step 4: Simplify right side
    272,028.30x = 74,898,109,497.02
  5. Step 5: Solve for x
    x = 74,898,109,497.02/272,028.30
  6. Step 6: Final answer
    x = 275,332.05

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1.5x scale

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.