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Finding the Fourth Proportional to 723,953.83, 999,056.41 and 401,663.16

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Solution

The fourth proportional to 723,953.83, 999,056.41 and 401,663.16 is: 554,295.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,953.83 : 999,056.41 = 401,663.16 : x
  2. Step 2: Convert to fraction form
    723,953.83/999,056.41 = 401,663.16/x
  3. Step 3: Cross multiply
    723,953.83x = 999,056.41 × 401,663.16
  4. Step 4: Simplify right side
    723,953.83x = 401,284,155,769.26
  5. Step 5: Solve for x
    x = 401,284,155,769.26/723,953.83
  6. Step 6: Final answer
    x = 554,295.23

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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.