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Finding the Fourth Proportional to 567,799.94, 783,611.02 and 326,129.15

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Solution

The fourth proportional to 567,799.94, 783,611.02 and 326,129.15 is: 450,085.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,799.94 : 783,611.02 = 326,129.15 : x
  2. Step 2: Convert to fraction form
    567,799.94/783,611.02 = 326,129.15/x
  3. Step 3: Cross multiply
    567,799.94x = 783,611.02 × 326,129.15
  4. Step 4: Simplify right side
    567,799.94x = 255,558,398,249.92
  5. Step 5: Solve for x
    x = 255,558,398,249.92/567,799.94
  6. Step 6: Final answer
    x = 450,085.28

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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.