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Finding the Fourth Proportional to 572,574.20, 858,861.30 and 567,325.40

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Solution

The fourth proportional to 572,574.20, 858,861.30 and 567,325.40 is: 850,988.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,574.20 : 858,861.30 = 567,325.40 : x
  2. Step 2: Convert to fraction form
    572,574.20/858,861.30 = 567,325.40/x
  3. Step 3: Cross multiply
    572,574.20x = 858,861.30 × 567,325.40
  4. Step 4: Simplify right side
    572,574.20x = 487,253,830,567.02
  5. Step 5: Solve for x
    x = 487,253,830,567.02/572,574.20
  6. Step 6: Final answer
    x = 850,988.10

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Double scale
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Similar ratio
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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.