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Finding the Fourth Proportional to 460,126.80, 635,506.74 and 306,898.92

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Solution

The fourth proportional to 460,126.80, 635,506.74 and 306,898.92 is: 423,875.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,126.80 : 635,506.74 = 306,898.92 : x
  2. Step 2: Convert to fraction form
    460,126.80/635,506.74 = 306,898.92/x
  3. Step 3: Cross multiply
    460,126.80x = 635,506.74 × 306,898.92
  4. Step 4: Simplify right side
    460,126.80x = 195,036,332,158.72
  5. Step 5: Solve for x
    x = 195,036,332,158.72/460,126.80
  6. Step 6: Final answer
    x = 423,875.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.