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Finding the Fourth Proportional to 539,694, 744,788.52 and 297,977.04

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Solution

The fourth proportional to 539,694, 744,788.52 and 297,977.04 is: 411,214.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,694 : 744,788.52 = 297,977.04 : x
  2. Step 2: Convert to fraction form
    539,694/744,788.52 = 297,977.04/x
  3. Step 3: Cross multiply
    539,694x = 744,788.52 × 297,977.04
  4. Step 4: Simplify right side
    539,694x = 221,929,878,615.58
  5. Step 5: Solve for x
    x = 221,929,878,615.58/539,694
  6. Step 6: Final answer
    x = 411,214.28

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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.