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Finding the Fourth Proportional to 1,053,366, 1,453,647.96 and 576,438

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Solution

The fourth proportional to 1,053,366, 1,453,647.96 and 576,438 is: 795,486.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,366 : 1,453,647.96 = 576,438 : x
  2. Step 2: Convert to fraction form
    1,053,366/1,453,647.96 = 576,438/x
  3. Step 3: Cross multiply
    1,053,366x = 1,453,647.96 × 576,438
  4. Step 4: Simplify right side
    1,053,366x = 837,937,922,766.48
  5. Step 5: Solve for x
    x = 837,937,922,766.48/1,053,366
  6. Step 6: Final answer
    x = 795,486.02

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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.