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Finding the Fourth Proportional to 1,037,615.10, 1,554,964.65 and 824,747.10

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Solution

The fourth proportional to 1,037,615.10, 1,554,964.65 and 824,747.10 is: 1,235,961.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,615.10 : 1,554,964.65 = 824,747.10 : x
  2. Step 2: Convert to fraction form
    1,037,615.10/1,554,964.65 = 824,747.10/x
  3. Step 3: Cross multiply
    1,037,615.10x = 1,554,964.65 × 824,747.10
  4. Step 4: Simplify right side
    1,037,615.10x = 1,282,452,585,690.01
  5. Step 5: Solve for x
    x = 1,282,452,585,690.01/1,037,615.10
  6. Step 6: Final answer
    x = 1,235,961.76

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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.