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Finding the Fourth Proportional to 802,544.80, 1,107,557 and 476,051.42

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Solution

The fourth proportional to 802,544.80, 1,107,557 and 476,051.42 is: 656,977.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,544.80 : 1,107,557 = 476,051.42 : x
  2. Step 2: Convert to fraction form
    802,544.80/1,107,557 = 476,051.42/x
  3. Step 3: Cross multiply
    802,544.80x = 1,107,557 × 476,051.42
  4. Step 4: Simplify right side
    802,544.80x = 527,254,082,580.94
  5. Step 5: Solve for x
    x = 527,254,082,580.94/802,544.80
  6. Step 6: Final answer
    x = 656,977.76

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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.