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Finding the Fourth Proportional to 599,376.20, 899,064.30 and 571,728.20

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Solution

The fourth proportional to 599,376.20, 899,064.30 and 571,728.20 is: 857,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,376.20 : 899,064.30 = 571,728.20 : x
  2. Step 2: Convert to fraction form
    599,376.20/899,064.30 = 571,728.20/x
  3. Step 3: Cross multiply
    599,376.20x = 899,064.30 × 571,728.20
  4. Step 4: Simplify right side
    599,376.20x = 514,020,413,923.26
  5. Step 5: Solve for x
    x = 514,020,413,923.26/599,376.20
  6. Step 6: Final answer
    x = 857,592.30

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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.