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Finding the Fourth Proportional to 855,659.06, 1,180,823.50 and 468,468

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Solution

The fourth proportional to 855,659.06, 1,180,823.50 and 468,468 is: 646,493.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,659.06 : 1,180,823.50 = 468,468 : x
  2. Step 2: Convert to fraction form
    855,659.06/1,180,823.50 = 468,468/x
  3. Step 3: Cross multiply
    855,659.06x = 1,180,823.50 × 468,468
  4. Step 4: Simplify right side
    855,659.06x = 553,178,023,398
  5. Step 5: Solve for x
    x = 553,178,023,398/855,659.06
  6. Step 6: Final answer
    x = 646,493.50

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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.