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Finding the Fourth Proportional to 407,897.92, 611,844.44 and 158,579.92

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Solution

The fourth proportional to 407,897.92, 611,844.44 and 158,579.92 is: 237,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,897.92 : 611,844.44 = 158,579.92 : x
  2. Step 2: Convert to fraction form
    407,897.92/611,844.44 = 158,579.92/x
  3. Step 3: Cross multiply
    407,897.92x = 611,844.44 × 158,579.92
  4. Step 4: Simplify right side
    407,897.92x = 97,026,242,347.64
  5. Step 5: Solve for x
    x = 97,026,242,347.64/407,897.92
  6. Step 6: Final answer
    x = 237,868.93

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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.