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Finding the Fourth Proportional to 303,569.55, 425,619.45 and 303,569.55

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Solution

The fourth proportional to 303,569.55, 425,619.45 and 303,569.55 is: 425,619.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,569.55 : 425,619.45 = 303,569.55 : x
  2. Step 2: Convert to fraction form
    303,569.55/425,619.45 = 303,569.55/x
  3. Step 3: Cross multiply
    303,569.55x = 425,619.45 × 303,569.55
  4. Step 4: Simplify right side
    303,569.55x = 129,205,104,907.75
  5. Step 5: Solve for x
    x = 129,205,104,907.75/303,569.55
  6. Step 6: Final answer
    x = 425,619.45

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.