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Finding the Fourth Proportional to 582,004.70, 873,007.05 and 540,014.30

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Solution

The fourth proportional to 582,004.70, 873,007.05 and 540,014.30 is: 810,021.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,004.70 : 873,007.05 = 540,014.30 : x
  2. Step 2: Convert to fraction form
    582,004.70/873,007.05 = 540,014.30/x
  3. Step 3: Cross multiply
    582,004.70x = 873,007.05 × 540,014.30
  4. Step 4: Simplify right side
    582,004.70x = 471,436,291,000.82
  5. Step 5: Solve for x
    x = 471,436,291,000.82/582,004.70
  6. Step 6: Final answer
    x = 810,021.45

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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.