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Finding the Fourth Proportional to 492,569.58, 678,968.69 and 363,092.97

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Solution

The fourth proportional to 492,569.58, 678,968.69 and 363,092.97 is: 500,495.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,569.58 : 678,968.69 = 363,092.97 : x
  2. Step 2: Convert to fraction form
    492,569.58/678,968.69 = 363,092.97/x
  3. Step 3: Cross multiply
    492,569.58x = 678,968.69 × 363,092.97
  4. Step 4: Simplify right side
    492,569.58x = 246,528,756,373.64
  5. Step 5: Solve for x
    x = 246,528,756,373.64/492,569.58
  6. Step 6: Final answer
    x = 500,495.29

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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.