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Finding the Fourth Proportional to 290,700.52, 401,002.58 and 183,085.64

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Solution

The fourth proportional to 290,700.52, 401,002.58 and 183,085.64 is: 252,554.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,700.52 : 401,002.58 = 183,085.64 : x
  2. Step 2: Convert to fraction form
    290,700.52/401,002.58 = 183,085.64/x
  3. Step 3: Cross multiply
    290,700.52x = 401,002.58 × 183,085.64
  4. Step 4: Simplify right side
    290,700.52x = 73,417,814,000.95
  5. Step 5: Solve for x
    x = 73,417,814,000.95/290,700.52
  6. Step 6: Final answer
    x = 252,554.81

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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.