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Finding the Fourth Proportional to 557,113.68, 835,711.56 and 202,129.56

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Solution

The fourth proportional to 557,113.68, 835,711.56 and 202,129.56 is: 303,209.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,113.68 : 835,711.56 = 202,129.56 : x
  2. Step 2: Convert to fraction form
    557,113.68/835,711.56 = 202,129.56/x
  3. Step 3: Cross multiply
    557,113.68x = 835,711.56 × 202,129.56
  4. Step 4: Simplify right side
    557,113.68x = 168,922,009,909.71
  5. Step 5: Solve for x
    x = 168,922,009,909.71/557,113.68
  6. Step 6: Final answer
    x = 303,209.23

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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.