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Finding the Fourth Proportional to 556,168.01, 767,532.52 and 314,436.17

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Solution

The fourth proportional to 556,168.01, 767,532.52 and 314,436.17 is: 433,933.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,168.01 : 767,532.52 = 314,436.17 : x
  2. Step 2: Convert to fraction form
    556,168.01/767,532.52 = 314,436.17/x
  3. Step 3: Cross multiply
    556,168.01x = 767,532.52 × 314,436.17
  4. Step 4: Simplify right side
    556,168.01x = 241,339,982,494.63
  5. Step 5: Solve for x
    x = 241,339,982,494.63/556,168.01
  6. Step 6: Final answer
    x = 433,933.59

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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.