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Finding the Fourth Proportional to 617,772.06, 852,356.67 and 424,237.98

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Solution

The fourth proportional to 617,772.06, 852,356.67 and 424,237.98 is: 585,332.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,772.06 : 852,356.67 = 424,237.98 : x
  2. Step 2: Convert to fraction form
    617,772.06/852,356.67 = 424,237.98/x
  3. Step 3: Cross multiply
    617,772.06x = 852,356.67 × 424,237.98
  4. Step 4: Simplify right side
    617,772.06x = 361,602,071,920.33
  5. Step 5: Solve for x
    x = 361,602,071,920.33/617,772.06
  6. Step 6: Final answer
    x = 585,332.51

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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.