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Finding the Fourth Proportional to 541,216.60, 811,897.80 and 186,339.40

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Solution

The fourth proportional to 541,216.60, 811,897.80 and 186,339.40 is: 279,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,216.60 : 811,897.80 = 186,339.40 : x
  2. Step 2: Convert to fraction form
    541,216.60/811,897.80 = 186,339.40/x
  3. Step 3: Cross multiply
    541,216.60x = 811,897.80 × 186,339.40
  4. Step 4: Simplify right side
    541,216.60x = 151,288,548,913.32
  5. Step 5: Solve for x
    x = 151,288,548,913.32/541,216.60
  6. Step 6: Final answer
    x = 279,534.20

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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.