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Finding the Fourth Proportional to 662,496.78, 914,012.72 and 433,188.29

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Solution

The fourth proportional to 662,496.78, 914,012.72 and 433,188.29 is: 597,647.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,496.78 : 914,012.72 = 433,188.29 : x
  2. Step 2: Convert to fraction form
    662,496.78/914,012.72 = 433,188.29/x
  3. Step 3: Cross multiply
    662,496.78x = 914,012.72 × 433,188.29
  4. Step 4: Simplify right side
    662,496.78x = 395,939,600,479.04
  5. Step 5: Solve for x
    x = 395,939,600,479.04/662,496.78
  6. Step 6: Final answer
    x = 597,647.58

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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.