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Finding the Fourth Proportional to 346,476.92, 519,715.46 and 130,376.34

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Solution

The fourth proportional to 346,476.92, 519,715.46 and 130,376.34 is: 195,564.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,476.92 : 519,715.46 = 130,376.34 : x
  2. Step 2: Convert to fraction form
    346,476.92/519,715.46 = 130,376.34/x
  3. Step 3: Cross multiply
    346,476.92x = 519,715.46 × 130,376.34
  4. Step 4: Simplify right side
    346,476.92x = 67,758,599,108.79
  5. Step 5: Solve for x
    x = 67,758,599,108.79/346,476.92
  6. Step 6: Final answer
    x = 195,564.54

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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.