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Finding the Fourth Proportional to 1,084,412, 1,627,064.63 and 476,888

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Solution

The fourth proportional to 1,084,412, 1,627,064.63 and 476,888 is: 715,528.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,412 : 1,627,064.63 = 476,888 : x
  2. Step 2: Convert to fraction form
    1,084,412/1,627,064.63 = 476,888/x
  3. Step 3: Cross multiply
    1,084,412x = 1,627,064.63 × 476,888
  4. Step 4: Simplify right side
    1,084,412x = 775,927,597,271.44
  5. Step 5: Solve for x
    x = 775,927,597,271.44/1,084,412
  6. Step 6: Final answer
    x = 715,528.41

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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.