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Finding the Fourth Proportional to 592,262, 817,341.06 and 323,990

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Solution

The fourth proportional to 592,262, 817,341.06 and 323,990 is: 447,116.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,262 : 817,341.06 = 323,990 : x
  2. Step 2: Convert to fraction form
    592,262/817,341.06 = 323,990/x
  3. Step 3: Cross multiply
    592,262x = 817,341.06 × 323,990
  4. Step 4: Simplify right side
    592,262x = 264,810,330,029.40
  5. Step 5: Solve for x
    x = 264,810,330,029.40/592,262
  6. Step 6: Final answer
    x = 447,116.87

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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.