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Finding the Fourth Proportional to 500,031.00, 690,044.60 and 270,588.27

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Solution

The fourth proportional to 500,031.00, 690,044.60 and 270,588.27 is: 373,412.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,031.00 : 690,044.60 = 270,588.27 : x
  2. Step 2: Convert to fraction form
    500,031.00/690,044.60 = 270,588.27/x
  3. Step 3: Cross multiply
    500,031.00x = 690,044.60 × 270,588.27
  4. Step 4: Simplify right side
    500,031.00x = 186,717,972,625.65
  5. Step 5: Solve for x
    x = 186,717,972,625.65/500,031.00
  6. Step 6: Final answer
    x = 373,412.79

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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.