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Finding the Fourth Proportional to 338,560.84, 507,845.58 and 151,533.64

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Solution

The fourth proportional to 338,560.84, 507,845.58 and 151,533.64 is: 227,302.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,560.84 : 507,845.58 = 151,533.64 : x
  2. Step 2: Convert to fraction form
    338,560.84/507,845.58 = 151,533.64/x
  3. Step 3: Cross multiply
    338,560.84x = 507,845.58 × 151,533.64
  4. Step 4: Simplify right side
    338,560.84x = 76,955,689,295.31
  5. Step 5: Solve for x
    x = 76,955,689,295.31/338,560.84
  6. Step 6: Final answer
    x = 227,302.39

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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.