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Finding the Fourth Proportional to 1,053,568, 1,453,923.84 and 576,640

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Solution

The fourth proportional to 1,053,568, 1,453,923.84 and 576,640 is: 795,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,568 : 1,453,923.84 = 576,640 : x
  2. Step 2: Convert to fraction form
    1,053,568/1,453,923.84 = 576,640/x
  3. Step 3: Cross multiply
    1,053,568x = 1,453,923.84 × 576,640
  4. Step 4: Simplify right side
    1,053,568x = 838,390,643,097.60
  5. Step 5: Solve for x
    x = 838,390,643,097.60/1,053,568
  6. Step 6: Final answer
    x = 795,763.20

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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.