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Finding the Fourth Proportional to 746,378.64, 1,029,963.63 and 424,044

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Solution

The fourth proportional to 746,378.64, 1,029,963.63 and 424,044 is: 585,158.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,378.64 : 1,029,963.63 = 424,044 : x
  2. Step 2: Convert to fraction form
    746,378.64/1,029,963.63 = 424,044/x
  3. Step 3: Cross multiply
    746,378.64x = 1,029,963.63 × 424,044
  4. Step 4: Simplify right side
    746,378.64x = 436,749,897,519.72
  5. Step 5: Solve for x
    x = 436,749,897,519.72/746,378.64
  6. Step 6: Final answer
    x = 585,158.62

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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.