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Finding the Fourth Proportional to 477,988.83, 717,020.10 and 123,006.33

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Solution

The fourth proportional to 477,988.83, 717,020.10 and 123,006.33 is: 184,518.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,988.83 : 717,020.10 = 123,006.33 : x
  2. Step 2: Convert to fraction form
    477,988.83/717,020.10 = 123,006.33/x
  3. Step 3: Cross multiply
    477,988.83x = 717,020.10 × 123,006.33
  4. Step 4: Simplify right side
    477,988.83x = 88,198,011,037.23
  5. Step 5: Solve for x
    x = 88,198,011,037.23/477,988.83
  6. Step 6: Final answer
    x = 184,518.98

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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.