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Finding the Fourth Proportional to 592,394.86, 888,047.12 and 322,128.17

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Solution

The fourth proportional to 592,394.86, 888,047.12 and 322,128.17 is: 482,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,394.86 : 888,047.12 = 322,128.17 : x
  2. Step 2: Convert to fraction form
    592,394.86/888,047.12 = 322,128.17/x
  3. Step 3: Cross multiply
    592,394.86x = 888,047.12 × 322,128.17
  4. Step 4: Simplify right side
    592,394.86x = 286,064,990,004.46
  5. Step 5: Solve for x
    x = 286,064,990,004.46/592,394.86
  6. Step 6: Final answer
    x = 482,895.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.