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Finding the Fourth Proportional to 493,758.60, 740,637.90 and 304,801.80

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Solution

The fourth proportional to 493,758.60, 740,637.90 and 304,801.80 is: 457,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,758.60 : 740,637.90 = 304,801.80 : x
  2. Step 2: Convert to fraction form
    493,758.60/740,637.90 = 304,801.80/x
  3. Step 3: Cross multiply
    493,758.60x = 740,637.90 × 304,801.80
  4. Step 4: Simplify right side
    493,758.60x = 225,747,765,068.22
  5. Step 5: Solve for x
    x = 225,747,765,068.22/493,758.60
  6. Step 6: Final answer
    x = 457,202.70

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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.