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Finding the Fourth Proportional to 572,537.80, 858,806.70 and 543,669.40

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Solution

The fourth proportional to 572,537.80, 858,806.70 and 543,669.40 is: 815,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,537.80 : 858,806.70 = 543,669.40 : x
  2. Step 2: Convert to fraction form
    572,537.80/858,806.70 = 543,669.40/x
  3. Step 3: Cross multiply
    572,537.80x = 858,806.70 × 543,669.40
  4. Step 4: Simplify right side
    572,537.80x = 466,906,923,304.98
  5. Step 5: Solve for x
    x = 466,906,923,304.98/572,537.80
  6. Step 6: Final answer
    x = 815,504.10

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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.