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Finding the Fourth Proportional to 540,783.48, 811,194.06 and 185,794.92

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Solution

The fourth proportional to 540,783.48, 811,194.06 and 185,794.92 is: 278,698.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,783.48 : 811,194.06 = 185,794.92 : x
  2. Step 2: Convert to fraction form
    540,783.48/811,194.06 = 185,794.92/x
  3. Step 3: Cross multiply
    540,783.48x = 811,194.06 × 185,794.92
  4. Step 4: Simplify right side
    540,783.48x = 150,715,735,482.18
  5. Step 5: Solve for x
    x = 150,715,735,482.18/540,783.48
  6. Step 6: Final answer
    x = 278,698.85

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Double scale
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Similar ratio
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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.