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Finding the Fourth Proportional to 523,565.86, 722,501.66 and 319,957.52

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Solution

The fourth proportional to 523,565.86, 722,501.66 and 319,957.52 is: 441,529.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,565.86 : 722,501.66 = 319,957.52 : x
  2. Step 2: Convert to fraction form
    523,565.86/722,501.66 = 319,957.52/x
  3. Step 3: Cross multiply
    523,565.86x = 722,501.66 × 319,957.52
  4. Step 4: Simplify right side
    523,565.86x = 231,169,839,329.48
  5. Step 5: Solve for x
    x = 231,169,839,329.48/523,565.86
  6. Step 6: Final answer
    x = 441,529.63

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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.