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Finding the Fourth Proportional to 523,337.96, 722,300.64 and 308,465.48

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Solution

The fourth proportional to 523,337.96, 722,300.64 and 308,465.48 is: 425,737.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,337.96 : 722,300.64 = 308,465.48 : x
  2. Step 2: Convert to fraction form
    523,337.96/722,300.64 = 308,465.48/x
  3. Step 3: Cross multiply
    523,337.96x = 722,300.64 × 308,465.48
  4. Step 4: Simplify right side
    523,337.96x = 222,804,813,621.91
  5. Step 5: Solve for x
    x = 222,804,813,621.91/523,337.96
  6. Step 6: Final answer
    x = 425,737.92

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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.