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Finding the Fourth Proportional to 1,455,144, 2,008,098.72 and 851,532

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Solution

The fourth proportional to 1,455,144, 2,008,098.72 and 851,532 is: 1,175,114.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,144 : 2,008,098.72 = 851,532 : x
  2. Step 2: Convert to fraction form
    1,455,144/2,008,098.72 = 851,532/x
  3. Step 3: Cross multiply
    1,455,144x = 2,008,098.72 × 851,532
  4. Step 4: Simplify right side
    1,455,144x = 1,709,960,319,239.04
  5. Step 5: Solve for x
    x = 1,709,960,319,239.04/1,455,144
  6. Step 6: Final answer
    x = 1,175,114.16

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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.