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Finding the Fourth Proportional to 540,369.60, 811,015.20 and 241,310.40

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Solution

The fourth proportional to 540,369.60, 811,015.20 and 241,310.40 is: 362,171.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,369.60 : 811,015.20 = 241,310.40 : x
  2. Step 2: Convert to fraction form
    540,369.60/811,015.20 = 241,310.40/x
  3. Step 3: Cross multiply
    540,369.60x = 811,015.20 × 241,310.40
  4. Step 4: Simplify right side
    540,369.60x = 195,706,402,318.08
  5. Step 5: Solve for x
    x = 195,706,402,318.08/540,369.60
  6. Step 6: Final answer
    x = 362,171.38

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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.