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Finding the Fourth Proportional to 584,701.44, 806,886.40 and 316,429.44

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Solution

The fourth proportional to 584,701.44, 806,886.40 and 316,429.44 is: 436,671.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,701.44 : 806,886.40 = 316,429.44 : x
  2. Step 2: Convert to fraction form
    584,701.44/806,886.40 = 316,429.44/x
  3. Step 3: Cross multiply
    584,701.44x = 806,886.40 × 316,429.44
  4. Step 4: Simplify right side
    584,701.44x = 255,322,611,695.62
  5. Step 5: Solve for x
    x = 255,322,611,695.62/584,701.44
  6. Step 6: Final answer
    x = 436,671.77

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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.