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Finding the Fourth Proportional to 583,235.70, 874,853.55 and 541,245.30

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Solution

The fourth proportional to 583,235.70, 874,853.55 and 541,245.30 is: 811,867.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,235.70 : 874,853.55 = 541,245.30 : x
  2. Step 2: Convert to fraction form
    583,235.70/874,853.55 = 541,245.30/x
  3. Step 3: Cross multiply
    583,235.70x = 874,853.55 × 541,245.30
  4. Step 4: Simplify right side
    583,235.70x = 473,510,372,125.82
  5. Step 5: Solve for x
    x = 473,510,372,125.82/583,235.70
  6. Step 6: Final answer
    x = 811,867.95

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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.