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Finding the Fourth Proportional to 572,906.40, 859,710.60 and 236,108.40

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Solution

The fourth proportional to 572,906.40, 859,710.60 and 236,108.40 is: 354,307.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,906.40 : 859,710.60 = 236,108.40 : x
  2. Step 2: Convert to fraction form
    572,906.40/859,710.60 = 236,108.40/x
  3. Step 3: Cross multiply
    572,906.40x = 859,710.60 × 236,108.40
  4. Step 4: Simplify right side
    572,906.40x = 202,984,894,229.04
  5. Step 5: Solve for x
    x = 202,984,894,229.04/572,906.40
  6. Step 6: Final answer
    x = 354,307.26

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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.