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Finding the Fourth Proportional to 635,696.36, 953,529.78 and 320,068.52

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Solution

The fourth proportional to 635,696.36, 953,529.78 and 320,068.52 is: 480,095.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,696.36 : 953,529.78 = 320,068.52 : x
  2. Step 2: Convert to fraction form
    635,696.36/953,529.78 = 320,068.52/x
  3. Step 3: Cross multiply
    635,696.36x = 953,529.78 × 320,068.52
  4. Step 4: Simplify right side
    635,696.36x = 305,194,865,460.53
  5. Step 5: Solve for x
    x = 305,194,865,460.53/635,696.36
  6. Step 6: Final answer
    x = 480,095.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.