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Finding the Fourth Proportional to 526,422.80, 788,467.80 and 433,110.80

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Solution

The fourth proportional to 526,422.80, 788,467.80 and 433,110.80 is: 648,706.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,422.80 : 788,467.80 = 433,110.80 : x
  2. Step 2: Convert to fraction form
    526,422.80/788,467.80 = 433,110.80/x
  3. Step 3: Cross multiply
    526,422.80x = 788,467.80 × 433,110.80
  4. Step 4: Simplify right side
    526,422.80x = 341,493,919,632.24
  5. Step 5: Solve for x
    x = 341,493,919,632.24/526,422.80
  6. Step 6: Final answer
    x = 648,706.55

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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.