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Finding the Fourth Proportional to 583,933.26, 805,825.71 and 315,661.26

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Solution

The fourth proportional to 583,933.26, 805,825.71 and 315,661.26 is: 435,611.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,933.26 : 805,825.71 = 315,661.26 : x
  2. Step 2: Convert to fraction form
    583,933.26/805,825.71 = 315,661.26/x
  3. Step 3: Cross multiply
    583,933.26x = 805,825.71 × 315,661.26
  4. Step 4: Simplify right side
    583,933.26x = 254,367,958,959.00
  5. Step 5: Solve for x
    x = 254,367,958,959.00/583,933.26
  6. Step 6: Final answer
    x = 435,611.36

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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.