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Finding the Fourth Proportional to 306,963.03, 460,476.54 and 117,423.03

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Solution

The fourth proportional to 306,963.03, 460,476.54 and 117,423.03 is: 176,146.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,963.03 : 460,476.54 = 117,423.03 : x
  2. Step 2: Convert to fraction form
    306,963.03/460,476.54 = 117,423.03/x
  3. Step 3: Cross multiply
    306,963.03x = 460,476.54 × 117,423.03
  4. Step 4: Simplify right side
    306,963.03x = 54,070,550,570.72
  5. Step 5: Solve for x
    x = 54,070,550,570.72/306,963.03
  6. Step 6: Final answer
    x = 176,146.78

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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.