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Finding the Fourth Proportional to 607,531.80, 910,422.90 and 270,296.40

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Solution

The fourth proportional to 607,531.80, 910,422.90 and 270,296.40 is: 405,055.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,531.80 : 910,422.90 = 270,296.40 : x
  2. Step 2: Convert to fraction form
    607,531.80/910,422.90 = 270,296.40/x
  3. Step 3: Cross multiply
    607,531.80x = 910,422.90 × 270,296.40
  4. Step 4: Simplify right side
    607,531.80x = 246,084,032,347.56
  5. Step 5: Solve for x
    x = 246,084,032,347.56/607,531.80
  6. Step 6: Final answer
    x = 405,055.39

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1.5x scale

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.