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Finding the Fourth Proportional to 617,946.86, 925,830.12 and 541,188.92

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Solution

The fourth proportional to 617,946.86, 925,830.12 and 541,188.92 is: 810,828.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,946.86 : 925,830.12 = 541,188.92 : x
  2. Step 2: Convert to fraction form
    617,946.86/925,830.12 = 541,188.92/x
  3. Step 3: Cross multiply
    617,946.86x = 925,830.12 × 541,188.92
  4. Step 4: Simplify right side
    617,946.86x = 501,049,002,746.27
  5. Step 5: Solve for x
    x = 501,049,002,746.27/617,946.86
  6. Step 6: Final answer
    x = 810,828.62

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1.5x scale

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.