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Finding the Fourth Proportional to 531,807.37, 797,710.65 and 157,830.37

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Solution

The fourth proportional to 531,807.37, 797,710.65 and 157,830.37 is: 236,745.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,807.37 : 797,710.65 = 157,830.37 : x
  2. Step 2: Convert to fraction form
    531,807.37/797,710.65 = 157,830.37/x
  3. Step 3: Cross multiply
    531,807.37x = 797,710.65 × 157,830.37
  4. Step 4: Simplify right side
    531,807.37x = 125,902,967,042.44
  5. Step 5: Solve for x
    x = 125,902,967,042.44/531,807.37
  6. Step 6: Final answer
    x = 236,745.43

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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.