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Finding the Fourth Proportional to 827,075, 1,141,389.20 and 464,506.72

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Solution

The fourth proportional to 827,075, 1,141,389.20 and 464,506.72 is: 641,033.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,075 : 1,141,389.20 = 464,506.72 : x
  2. Step 2: Convert to fraction form
    827,075/1,141,389.20 = 464,506.72/x
  3. Step 3: Cross multiply
    827,075x = 1,141,389.20 × 464,506.72
  4. Step 4: Simplify right side
    827,075x = 530,182,953,535.42
  5. Step 5: Solve for x
    x = 530,182,953,535.42/827,075
  6. Step 6: Final answer
    x = 641,033.71

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1.5x scale

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.