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Finding the Fourth Proportional to 572,605.20, 858,907.80 and 523,616.40

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Solution

The fourth proportional to 572,605.20, 858,907.80 and 523,616.40 is: 785,424.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,605.20 : 858,907.80 = 523,616.40 : x
  2. Step 2: Convert to fraction form
    572,605.20/858,907.80 = 523,616.40/x
  3. Step 3: Cross multiply
    572,605.20x = 858,907.80 × 523,616.40
  4. Step 4: Simplify right side
    572,605.20x = 449,738,210,167.92
  5. Step 5: Solve for x
    x = 449,738,210,167.92/572,605.20
  6. Step 6: Final answer
    x = 785,424.60

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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.