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Finding the Fourth Proportional to 713,545.56, 1,068,218.82 and 476,299.80

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Solution

The fourth proportional to 713,545.56, 1,068,218.82 and 476,299.80 is: 713,048.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,545.56 : 1,068,218.82 = 476,299.80 : x
  2. Step 2: Convert to fraction form
    713,545.56/1,068,218.82 = 476,299.80/x
  3. Step 3: Cross multiply
    713,545.56x = 1,068,218.82 × 476,299.80
  4. Step 4: Simplify right side
    713,545.56x = 508,792,410,322.24
  5. Step 5: Solve for x
    x = 508,792,410,322.24/713,545.56
  6. Step 6: Final answer
    x = 713,048.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.