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Finding the Fourth Proportional to 288,873.02, 433,495.44 and 155,845.10

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Solution

The fourth proportional to 288,873.02, 433,495.44 and 155,845.10 is: 233,867.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,873.02 : 433,495.44 = 155,845.10 : x
  2. Step 2: Convert to fraction form
    288,873.02/433,495.44 = 155,845.10/x
  3. Step 3: Cross multiply
    288,873.02x = 433,495.44 × 155,845.10
  4. Step 4: Simplify right side
    288,873.02x = 67,558,141,280.08
  5. Step 5: Solve for x
    x = 67,558,141,280.08/288,873.02
  6. Step 6: Final answer
    x = 233,867.95

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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.