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Finding the Fourth Proportional to 557,291.16, 769,297.14 and 376,248.24

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Solution

The fourth proportional to 557,291.16, 769,297.14 and 376,248.24 is: 519,381.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,291.16 : 769,297.14 = 376,248.24 : x
  2. Step 2: Convert to fraction form
    557,291.16/769,297.14 = 376,248.24/x
  3. Step 3: Cross multiply
    557,291.16x = 769,297.14 × 376,248.24
  4. Step 4: Simplify right side
    557,291.16x = 289,446,694,962.03
  5. Step 5: Solve for x
    x = 289,446,694,962.03/557,291.16
  6. Step 6: Final answer
    x = 519,381.46

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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.