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Finding the Fourth Proportional to 588,003.70, 882,005.55 and 388,938.10

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Solution

The fourth proportional to 588,003.70, 882,005.55 and 388,938.10 is: 583,407.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,003.70 : 882,005.55 = 388,938.10 : x
  2. Step 2: Convert to fraction form
    588,003.70/882,005.55 = 388,938.10/x
  3. Step 3: Cross multiply
    588,003.70x = 882,005.55 × 388,938.10
  4. Step 4: Simplify right side
    588,003.70x = 343,045,562,806.46
  5. Step 5: Solve for x
    x = 343,045,562,806.46/588,003.70
  6. Step 6: Final answer
    x = 583,407.15

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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.