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Finding the Fourth Proportional to 656,920.13, 985,527.81 and 236,196

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Solution

The fourth proportional to 656,920.13, 985,527.81 and 236,196 is: 354,347.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,920.13 : 985,527.81 = 236,196 : x
  2. Step 2: Convert to fraction form
    656,920.13/985,527.81 = 236,196/x
  3. Step 3: Cross multiply
    656,920.13x = 985,527.81 × 236,196
  4. Step 4: Simplify right side
    656,920.13x = 232,777,726,610.76
  5. Step 5: Solve for x
    x = 232,777,726,610.76/656,920.13
  6. Step 6: Final answer
    x = 354,347.08

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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.