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Finding the Fourth Proportional to 348,384.96, 522,810.72 and 123,736.32

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Solution

The fourth proportional to 348,384.96, 522,810.72 and 123,736.32 is: 185,687.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,384.96 : 522,810.72 = 123,736.32 : x
  2. Step 2: Convert to fraction form
    348,384.96/522,810.72 = 123,736.32/x
  3. Step 3: Cross multiply
    348,384.96x = 522,810.72 × 123,736.32
  4. Step 4: Simplify right side
    348,384.96x = 64,690,674,549.35
  5. Step 5: Solve for x
    x = 64,690,674,549.35/348,384.96
  6. Step 6: Final answer
    x = 185,687.33

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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.