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Finding the Fourth Proportional to 560,545.67, 773,569.46 and 305,913.23

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Solution

The fourth proportional to 560,545.67, 773,569.46 and 305,913.23 is: 422,169.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,545.67 : 773,569.46 = 305,913.23 : x
  2. Step 2: Convert to fraction form
    560,545.67/773,569.46 = 305,913.23/x
  3. Step 3: Cross multiply
    560,545.67x = 773,569.46 × 305,913.23
  4. Step 4: Simplify right side
    560,545.67x = 236,645,132,137.96
  5. Step 5: Solve for x
    x = 236,645,132,137.96/560,545.67
  6. Step 6: Final answer
    x = 422,169.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.