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Finding the Fourth Proportional to 662,387.04, 914,099.76 and 360,580.32

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Solution

The fourth proportional to 662,387.04, 914,099.76 and 360,580.32 is: 497,603.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,387.04 : 914,099.76 = 360,580.32 : x
  2. Step 2: Convert to fraction form
    662,387.04/914,099.76 = 360,580.32/x
  3. Step 3: Cross multiply
    662,387.04x = 914,099.76 × 360,580.32
  4. Step 4: Simplify right side
    662,387.04x = 329,606,383,972.72
  5. Step 5: Solve for x
    x = 329,606,383,972.72/662,387.04
  6. Step 6: Final answer
    x = 497,603.91

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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.