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Finding the Fourth Proportional to 586,141.76, 808,919.11 and 328,044.58

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Solution

The fourth proportional to 586,141.76, 808,919.11 and 328,044.58 is: 452,725.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,141.76 : 808,919.11 = 328,044.58 : x
  2. Step 2: Convert to fraction form
    586,141.76/808,919.11 = 328,044.58/x
  3. Step 3: Cross multiply
    586,141.76x = 808,919.11 × 328,044.58
  4. Step 4: Simplify right side
    586,141.76x = 265,361,529,693.92
  5. Step 5: Solve for x
    x = 265,361,529,693.92/586,141.76
  6. Step 6: Final answer
    x = 452,725.86

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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.