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Finding the Fourth Proportional to 607,536.80, 910,430.40 and 270,301.40

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Solution

The fourth proportional to 607,536.80, 910,430.40 and 270,301.40 is: 405,062.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,536.80 : 910,430.40 = 270,301.40 : x
  2. Step 2: Convert to fraction form
    607,536.80/910,430.40 = 270,301.40/x
  3. Step 3: Cross multiply
    607,536.80x = 910,430.40 × 270,301.40
  4. Step 4: Simplify right side
    607,536.80x = 246,090,611,722.56
  5. Step 5: Solve for x
    x = 246,090,611,722.56/607,536.80
  6. Step 6: Final answer
    x = 405,062.89

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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.