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Finding the Fourth Proportional to 586,166.44, 808,909.68 and 331,512.16

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Solution

The fourth proportional to 586,166.44, 808,909.68 and 331,512.16 is: 457,486.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,166.44 : 808,909.68 = 331,512.16 : x
  2. Step 2: Convert to fraction form
    586,166.44/808,909.68 = 331,512.16/x
  3. Step 3: Cross multiply
    586,166.44x = 808,909.68 × 331,512.16
  4. Step 4: Simplify right side
    586,166.44x = 268,163,395,261.71
  5. Step 5: Solve for x
    x = 268,163,395,261.71/586,166.44
  6. Step 6: Final answer
    x = 457,486.78

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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.