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Finding the Fourth Proportional to 335,300.80, 502,778.40 and 124,830.40

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Solution

The fourth proportional to 335,300.80, 502,778.40 and 124,830.40 is: 187,181.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,300.80 : 502,778.40 = 124,830.40 : x
  2. Step 2: Convert to fraction form
    335,300.80/502,778.40 = 124,830.40/x
  3. Step 3: Cross multiply
    335,300.80x = 502,778.40 × 124,830.40
  4. Step 4: Simplify right side
    335,300.80x = 62,762,028,783.36
  5. Step 5: Solve for x
    x = 62,762,028,783.36/335,300.80
  6. Step 6: Final answer
    x = 187,181.27

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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.