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Finding the Fourth Proportional to 540,774.76, 811,173.06 and 166,797.80

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Solution

The fourth proportional to 540,774.76, 811,173.06 and 166,797.80 is: 250,200.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,774.76 : 811,173.06 = 166,797.80 : x
  2. Step 2: Convert to fraction form
    540,774.76/811,173.06 = 166,797.80/x
  3. Step 3: Cross multiply
    540,774.76x = 811,173.06 × 166,797.80
  4. Step 4: Simplify right side
    540,774.76x = 135,301,881,827.27
  5. Step 5: Solve for x
    x = 135,301,881,827.27/540,774.76
  6. Step 6: Final answer
    x = 250,200.07

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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.