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Finding the Fourth Proportional to 592,607.65, 817,792.86 and 320,669.59

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Solution

The fourth proportional to 592,607.65, 817,792.86 and 320,669.59 is: 442,520.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,607.65 : 817,792.86 = 320,669.59 : x
  2. Step 2: Convert to fraction form
    592,607.65/817,792.86 = 320,669.59/x
  3. Step 3: Cross multiply
    592,607.65x = 817,792.86 × 320,669.59
  4. Step 4: Simplify right side
    592,607.65x = 262,241,301,121.13
  5. Step 5: Solve for x
    x = 262,241,301,121.13/592,607.65
  6. Step 6: Final answer
    x = 442,520.95

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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.