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Finding the Fourth Proportional to 592,898.83, 818,200.64 and 320,966.72

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Solution

The fourth proportional to 592,898.83, 818,200.64 and 320,966.72 is: 442,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,898.83 : 818,200.64 = 320,966.72 : x
  2. Step 2: Convert to fraction form
    592,898.83/818,200.64 = 320,966.72/x
  3. Step 3: Cross multiply
    592,898.83x = 818,200.64 × 320,966.72
  4. Step 4: Simplify right side
    592,898.83x = 262,615,170,026.86
  5. Step 5: Solve for x
    x = 262,615,170,026.86/592,898.83
  6. Step 6: Final answer
    x = 442,934.20

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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.