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Finding the Fourth Proportional to 306,862.92, 460,320.54 and 93,678.72

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Solution

The fourth proportional to 306,862.92, 460,320.54 and 93,678.72 is: 140,526.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,862.92 : 460,320.54 = 93,678.72 : x
  2. Step 2: Convert to fraction form
    306,862.92/460,320.54 = 93,678.72/x
  3. Step 3: Cross multiply
    306,862.92x = 460,320.54 × 93,678.72
  4. Step 4: Simplify right side
    306,862.92x = 43,122,238,976.91
  5. Step 5: Solve for x
    x = 43,122,238,976.91/306,862.92
  6. Step 6: Final answer
    x = 140,526.07

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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.