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Finding the Fourth Proportional to 542,662.77, 814,153.32 and 243,076.71

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Solution

The fourth proportional to 542,662.77, 814,153.32 and 243,076.71 is: 364,686.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,662.77 : 814,153.32 = 243,076.71 : x
  2. Step 2: Convert to fraction form
    542,662.77/814,153.32 = 243,076.71/x
  3. Step 3: Cross multiply
    542,662.77x = 814,153.32 × 243,076.71
  4. Step 4: Simplify right side
    542,662.77x = 197,901,710,461.18
  5. Step 5: Solve for x
    x = 197,901,710,461.18/542,662.77
  6. Step 6: Final answer
    x = 364,686.36

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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.