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Finding the Fourth Proportional to 583,237.96, 874,856.88 and 140,005.96

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Solution

The fourth proportional to 583,237.96, 874,856.88 and 140,005.96 is: 210,008.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,237.96 : 874,856.88 = 140,005.96 : x
  2. Step 2: Convert to fraction form
    583,237.96/874,856.88 = 140,005.96/x
  3. Step 3: Cross multiply
    583,237.96x = 874,856.88 × 140,005.96
  4. Step 4: Simplify right side
    583,237.96x = 122,485,177,347.01
  5. Step 5: Solve for x
    x = 122,485,177,347.01/583,237.96
  6. Step 6: Final answer
    x = 210,008.93

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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.