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Finding the Fourth Proportional to 592,703.63, 817,932.00 and 320,771.79

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Solution

The fourth proportional to 592,703.63, 817,932.00 and 320,771.79 is: 442,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,703.63 : 817,932.00 = 320,771.79 : x
  2. Step 2: Convert to fraction form
    592,703.63/817,932.00 = 320,771.79/x
  3. Step 3: Cross multiply
    592,703.63x = 817,932.00 × 320,771.79
  4. Step 4: Simplify right side
    592,703.63x = 262,369,506,044.76
  5. Step 5: Solve for x
    x = 262,369,506,044.76/592,703.63
  6. Step 6: Final answer
    x = 442,665.60

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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.