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Finding the Fourth Proportional to 657,122.40, 985,610.70 and 183,855.60

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Solution

The fourth proportional to 657,122.40, 985,610.70 and 183,855.60 is: 275,763.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,122.40 : 985,610.70 = 183,855.60 : x
  2. Step 2: Convert to fraction form
    657,122.40/985,610.70 = 183,855.60/x
  3. Step 3: Cross multiply
    657,122.40x = 985,610.70 × 183,855.60
  4. Step 4: Simplify right side
    657,122.40x = 181,210,046,614.92
  5. Step 5: Solve for x
    x = 181,210,046,614.92/657,122.40
  6. Step 6: Final answer
    x = 275,763.00

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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.