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Finding the Fourth Proportional to 572,563.20, 858,844.80 and 572,563.20

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Solution

The fourth proportional to 572,563.20, 858,844.80 and 572,563.20 is: 858,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,563.20 : 858,844.80 = 572,563.20 : x
  2. Step 2: Convert to fraction form
    572,563.20/858,844.80 = 572,563.20/x
  3. Step 3: Cross multiply
    572,563.20x = 858,844.80 × 572,563.20
  4. Step 4: Simplify right side
    572,563.20x = 491,742,926,991.36
  5. Step 5: Solve for x
    x = 491,742,926,991.36/572,563.20
  6. Step 6: Final answer
    x = 858,844.80

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Double scale
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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.