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Finding the Fourth Proportional to 870,574.72, 1,201,452.63 and 483,410.14

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Solution

The fourth proportional to 870,574.72, 1,201,452.63 and 483,410.14 is: 667,139.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,574.72 : 1,201,452.63 = 483,410.14 : x
  2. Step 2: Convert to fraction form
    870,574.72/1,201,452.63 = 483,410.14/x
  3. Step 3: Cross multiply
    870,574.72x = 1,201,452.63 × 483,410.14
  4. Step 4: Simplify right side
    870,574.72x = 580,794,384,071.67
  5. Step 5: Solve for x
    x = 580,794,384,071.67/870,574.72
  6. Step 6: Final answer
    x = 667,139.04

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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.