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Finding the Fourth Proportional to 572,896.40, 859,695.60 and 236,098.40

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Solution

The fourth proportional to 572,896.40, 859,695.60 and 236,098.40 is: 354,292.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,896.40 : 859,695.60 = 236,098.40 : x
  2. Step 2: Convert to fraction form
    572,896.40/859,695.60 = 236,098.40/x
  3. Step 3: Cross multiply
    572,896.40x = 859,695.60 × 236,098.40
  4. Step 4: Simplify right side
    572,896.40x = 202,972,755,647.04
  5. Step 5: Solve for x
    x = 202,972,755,647.04/572,896.40
  6. Step 6: Final answer
    x = 354,292.25

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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.