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Finding the Fourth Proportional to 561,975.23, 775,596.67 and 368,545.61

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Solution

The fourth proportional to 561,975.23, 775,596.67 and 368,545.61 is: 508,639.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,975.23 : 775,596.67 = 368,545.61 : x
  2. Step 2: Convert to fraction form
    561,975.23/775,596.67 = 368,545.61/x
  3. Step 3: Cross multiply
    561,975.23x = 775,596.67 × 368,545.61
  4. Step 4: Simplify right side
    561,975.23x = 285,842,748,876.75
  5. Step 5: Solve for x
    x = 285,842,748,876.75/561,975.23
  6. Step 6: Final answer
    x = 508,639.41

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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.