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Finding the Fourth Proportional to 662,786.02, 914,644.74 and 360,980.02

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Solution

The fourth proportional to 662,786.02, 914,644.74 and 360,980.02 is: 498,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,786.02 : 914,644.74 = 360,980.02 : x
  2. Step 2: Convert to fraction form
    662,786.02/914,644.74 = 360,980.02/x
  3. Step 3: Cross multiply
    662,786.02x = 914,644.74 × 360,980.02
  4. Step 4: Simplify right side
    662,786.02x = 330,168,476,538.10
  5. Step 5: Solve for x
    x = 330,168,476,538.10/662,786.02
  6. Step 6: Final answer
    x = 498,152.45

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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.