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Finding the Fourth Proportional to 569,147.50, 785,554.50 and 327,569.59

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Solution

The fourth proportional to 569,147.50, 785,554.50 and 327,569.59 is: 452,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,147.50 : 785,554.50 = 327,569.59 : x
  2. Step 2: Convert to fraction form
    569,147.50/785,554.50 = 327,569.59/x
  3. Step 3: Cross multiply
    569,147.50x = 785,554.50 × 327,569.59
  4. Step 4: Simplify right side
    569,147.50x = 257,323,765,487.66
  5. Step 5: Solve for x
    x = 257,323,765,487.66/569,147.50
  6. Step 6: Final answer
    x = 452,121.40

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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.