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Finding the Fourth Proportional to 1,019,227, 1,406,497.42 and 560,338.26

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Solution

The fourth proportional to 1,019,227, 1,406,497.42 and 560,338.26 is: 773,247.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,227 : 1,406,497.42 = 560,338.26 : x
  2. Step 2: Convert to fraction form
    1,019,227/1,406,497.42 = 560,338.26/x
  3. Step 3: Cross multiply
    1,019,227x = 1,406,497.42 × 560,338.26
  4. Step 4: Simplify right side
    1,019,227x = 788,114,317,017.29
  5. Step 5: Solve for x
    x = 788,114,317,017.29/1,019,227
  6. Step 6: Final answer
    x = 773,247.10

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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.