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Finding the Fourth Proportional to 540,374.60, 811,022.70 and 241,315.40

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Solution

The fourth proportional to 540,374.60, 811,022.70 and 241,315.40 is: 362,178.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,374.60 : 811,022.70 = 241,315.40 : x
  2. Step 2: Convert to fraction form
    540,374.60/811,022.70 = 241,315.40/x
  3. Step 3: Cross multiply
    540,374.60x = 811,022.70 × 241,315.40
  4. Step 4: Simplify right side
    540,374.60x = 195,712,267,259.58
  5. Step 5: Solve for x
    x = 195,712,267,259.58/540,374.60
  6. Step 6: Final answer
    x = 362,178.88

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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.