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Finding the Fourth Proportional to 346,469.60, 519,718.98 and 109,807.04

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Solution

The fourth proportional to 346,469.60, 519,718.98 and 109,807.04 is: 164,715.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,469.60 : 519,718.98 = 109,807.04 : x
  2. Step 2: Convert to fraction form
    346,469.60/519,718.98 = 109,807.04/x
  3. Step 3: Cross multiply
    346,469.60x = 519,718.98 × 109,807.04
  4. Step 4: Simplify right side
    346,469.60x = 57,068,802,825.62
  5. Step 5: Solve for x
    x = 57,068,802,825.62/346,469.60
  6. Step 6: Final answer
    x = 164,715.18

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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.