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Finding the Fourth Proportional to 562,573.22, 776,358.33 and 307,918.94

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Solution

The fourth proportional to 562,573.22, 776,358.33 and 307,918.94 is: 424,932.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,573.22 : 776,358.33 = 307,918.94 : x
  2. Step 2: Convert to fraction form
    562,573.22/776,358.33 = 307,918.94/x
  3. Step 3: Cross multiply
    562,573.22x = 776,358.33 × 307,918.94
  4. Step 4: Simplify right side
    562,573.22x = 239,055,433,640.67
  5. Step 5: Solve for x
    x = 239,055,433,640.67/562,573.22
  6. Step 6: Final answer
    x = 424,932.13

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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.