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Finding the Fourth Proportional to 507,649.25, 761,307.78 and 237,693.83

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Solution

The fourth proportional to 507,649.25, 761,307.78 and 237,693.83 is: 356,462.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,649.25 : 761,307.78 = 237,693.83 : x
  2. Step 2: Convert to fraction form
    507,649.25/761,307.78 = 237,693.83/x
  3. Step 3: Cross multiply
    507,649.25x = 761,307.78 × 237,693.83
  4. Step 4: Simplify right side
    507,649.25x = 180,958,162,037.00
  5. Step 5: Solve for x
    x = 180,958,162,037.00/507,649.25
  6. Step 6: Final answer
    x = 356,462.98

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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.