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Finding the Fourth Proportional to 291,511.04, 437,316.32 and 133,752.96

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Solution

The fourth proportional to 291,511.04, 437,316.32 and 133,752.96 is: 200,652.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,511.04 : 437,316.32 = 133,752.96 : x
  2. Step 2: Convert to fraction form
    291,511.04/437,316.32 = 133,752.96/x
  3. Step 3: Cross multiply
    291,511.04x = 437,316.32 × 133,752.96
  4. Step 4: Simplify right side
    291,511.04x = 58,492,352,256.31
  5. Step 5: Solve for x
    x = 58,492,352,256.31/291,511.04
  6. Step 6: Final answer
    x = 200,652.27

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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.