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Finding the Fourth Proportional to 562,351.17, 776,044.53 and 307,702.29

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Solution

The fourth proportional to 562,351.17, 776,044.53 and 307,702.29 is: 424,629.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,351.17 : 776,044.53 = 307,702.29 : x
  2. Step 2: Convert to fraction form
    562,351.17/776,044.53 = 307,702.29/x
  3. Step 3: Cross multiply
    562,351.17x = 776,044.53 × 307,702.29
  4. Step 4: Simplify right side
    562,351.17x = 238,790,679,022.97
  5. Step 5: Solve for x
    x = 238,790,679,022.97/562,351.17
  6. Step 6: Final answer
    x = 424,629.11

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1.5x scale

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.