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Finding the Fourth Proportional to 501,557.40, 752,445.45 and 164,540.70

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Solution

The fourth proportional to 501,557.40, 752,445.45 and 164,540.70 is: 246,846.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,557.40 : 752,445.45 = 164,540.70 : x
  2. Step 2: Convert to fraction form
    501,557.40/752,445.45 = 164,540.70/x
  3. Step 3: Cross multiply
    501,557.40x = 752,445.45 × 164,540.70
  4. Step 4: Simplify right side
    501,557.40x = 123,807,901,054.82
  5. Step 5: Solve for x
    x = 123,807,901,054.82/501,557.40
  6. Step 6: Final answer
    x = 246,846.92

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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.