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Finding the Fourth Proportional to 523,583.91, 722,545.86 and 291,010.83

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Solution

The fourth proportional to 523,583.91, 722,545.86 and 291,010.83 is: 401,594.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,583.91 : 722,545.86 = 291,010.83 : x
  2. Step 2: Convert to fraction form
    523,583.91/722,545.86 = 291,010.83/x
  3. Step 3: Cross multiply
    523,583.91x = 722,545.86 × 291,010.83
  4. Step 4: Simplify right side
    523,583.91x = 210,268,670,431.66
  5. Step 5: Solve for x
    x = 210,268,670,431.66/523,583.91
  6. Step 6: Final answer
    x = 401,594.98

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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.