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Finding the Fourth Proportional to 589,062.13, 883,593.19 and 145,830.13

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Solution

The fourth proportional to 589,062.13, 883,593.19 and 145,830.13 is: 218,745.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,062.13 : 883,593.19 = 145,830.13 : x
  2. Step 2: Convert to fraction form
    589,062.13/883,593.19 = 145,830.13/x
  3. Step 3: Cross multiply
    589,062.13x = 883,593.19 × 145,830.13
  4. Step 4: Simplify right side
    589,062.13x = 128,854,509,764.82
  5. Step 5: Solve for x
    x = 128,854,509,764.82/589,062.13
  6. Step 6: Final answer
    x = 218,745.19

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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.