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Finding the Fourth Proportional to 383,691.37, 575,044.50 and 183,712.09

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Solution

The fourth proportional to 383,691.37, 575,044.50 and 183,712.09 is: 275,332.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,691.37 : 575,044.50 = 183,712.09 : x
  2. Step 2: Convert to fraction form
    383,691.37/575,044.50 = 183,712.09/x
  3. Step 3: Cross multiply
    383,691.37x = 575,044.50 × 183,712.09
  4. Step 4: Simplify right side
    383,691.37x = 105,642,626,938.01
  5. Step 5: Solve for x
    x = 105,642,626,938.01/383,691.37
  6. Step 6: Final answer
    x = 275,332.30

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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.