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Finding the Fourth Proportional to 592,648.63, 817,855.03 and 320,716.51

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Solution

The fourth proportional to 592,648.63, 817,855.03 and 320,716.51 is: 442,588.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,648.63 : 817,855.03 = 320,716.51 : x
  2. Step 2: Convert to fraction form
    592,648.63/817,855.03 = 320,716.51/x
  3. Step 3: Cross multiply
    592,648.63x = 817,855.03 × 320,716.51
  4. Step 4: Simplify right side
    592,648.63x = 262,299,610,907.55
  5. Step 5: Solve for x
    x = 262,299,610,907.55/592,648.63
  6. Step 6: Final answer
    x = 442,588.74

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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.