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Finding the Fourth Proportional to 452,325, 678,798.54 and 156,837

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Solution

The fourth proportional to 452,325, 678,798.54 and 156,837 is: 235,363.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,325 : 678,798.54 = 156,837 : x
  2. Step 2: Convert to fraction form
    452,325/678,798.54 = 156,837/x
  3. Step 3: Cross multiply
    452,325x = 678,798.54 × 156,837
  4. Step 4: Simplify right side
    452,325x = 106,460,726,617.98
  5. Step 5: Solve for x
    x = 106,460,726,617.98/452,325
  6. Step 6: Final answer
    x = 235,363.35

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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.