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Finding the Fourth Proportional to 592,602.71, 817,786.04 and 320,664.65

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Solution

The fourth proportional to 592,602.71, 817,786.04 and 320,664.65 is: 442,514.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,602.71 : 817,786.04 = 320,664.65 : x
  2. Step 2: Convert to fraction form
    592,602.71/817,786.04 = 320,664.65/x
  3. Step 3: Cross multiply
    592,602.71x = 817,786.04 × 320,664.65
  4. Step 4: Simplify right side
    592,602.71x = 262,235,077,137.61
  5. Step 5: Solve for x
    x = 262,235,077,137.61/592,602.71
  6. Step 6: Final answer
    x = 442,514.14

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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.