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Finding the Fourth Proportional to 657,146.40, 985,646.70 and 183,879.60

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Solution

The fourth proportional to 657,146.40, 985,646.70 and 183,879.60 is: 275,799.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,146.40 : 985,646.70 = 183,879.60 : x
  2. Step 2: Convert to fraction form
    657,146.40/985,646.70 = 183,879.60/x
  3. Step 3: Cross multiply
    657,146.40x = 985,646.70 × 183,879.60
  4. Step 4: Simplify right side
    657,146.40x = 181,240,320,937.32
  5. Step 5: Solve for x
    x = 181,240,320,937.32/657,146.40
  6. Step 6: Final answer
    x = 275,799.00

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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.