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Finding the Fourth Proportional to 649,356.53, 896,109.39 and 362,876.54

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Solution

The fourth proportional to 649,356.53, 896,109.39 and 362,876.54 is: 500,768.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,356.53 : 896,109.39 = 362,876.54 : x
  2. Step 2: Convert to fraction form
    649,356.53/896,109.39 = 362,876.54/x
  3. Step 3: Cross multiply
    649,356.53x = 896,109.39 × 362,876.54
  4. Step 4: Simplify right side
    649,356.53x = 325,177,070,424.16
  5. Step 5: Solve for x
    x = 325,177,070,424.16/649,356.53
  6. Step 6: Final answer
    x = 500,768.16

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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.