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Finding the Fourth Proportional to 540,373.60, 811,021.20 and 241,314.40

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Solution

The fourth proportional to 540,373.60, 811,021.20 and 241,314.40 is: 362,177.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,373.60 : 811,021.20 = 241,314.40 : x
  2. Step 2: Convert to fraction form
    540,373.60/811,021.20 = 241,314.40/x
  3. Step 3: Cross multiply
    540,373.60x = 811,021.20 × 241,314.40
  4. Step 4: Simplify right side
    540,373.60x = 195,711,094,265.28
  5. Step 5: Solve for x
    x = 195,711,094,265.28/540,373.60
  6. Step 6: Final answer
    x = 362,177.38

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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.