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Finding the Fourth Proportional to 567,995.80, 783,872.24 and 326,356.60

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Solution

The fourth proportional to 567,995.80, 783,872.24 and 326,356.60 is: 450,393.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,995.80 : 783,872.24 = 326,356.60 : x
  2. Step 2: Convert to fraction form
    567,995.80/783,872.24 = 326,356.60/x
  3. Step 3: Cross multiply
    567,995.80x = 783,872.24 × 326,356.60
  4. Step 4: Simplify right side
    567,995.80x = 255,821,879,080.78
  5. Step 5: Solve for x
    x = 255,821,879,080.78/567,995.80
  6. Step 6: Final answer
    x = 450,393.96

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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.