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Finding the Fourth Proportional to 507,459.62, 761,097.41 and 203,841.55

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Solution

The fourth proportional to 507,459.62, 761,097.41 and 203,841.55 is: 305,725.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,459.62 : 761,097.41 = 203,841.55 : x
  2. Step 2: Convert to fraction form
    507,459.62/761,097.41 = 203,841.55/x
  3. Step 3: Cross multiply
    507,459.62x = 761,097.41 × 203,841.55
  4. Step 4: Simplify right side
    507,459.62x = 155,143,273,317.39
  5. Step 5: Solve for x
    x = 155,143,273,317.39/507,459.62
  6. Step 6: Final answer
    x = 305,725.36

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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.