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Finding the Fourth Proportional to 290,699.52, 401,001.20 and 183,084.64

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Solution

The fourth proportional to 290,699.52, 401,001.20 and 183,084.64 is: 252,553.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,699.52 : 401,001.20 = 183,084.64 : x
  2. Step 2: Convert to fraction form
    290,699.52/401,001.20 = 183,084.64/x
  3. Step 3: Cross multiply
    290,699.52x = 401,001.20 × 183,084.64
  4. Step 4: Simplify right side
    290,699.52x = 73,417,160,341.57
  5. Step 5: Solve for x
    x = 73,417,160,341.57/290,699.52
  6. Step 6: Final answer
    x = 252,553.43

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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.