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Finding the Fourth Proportional to 557,294.06, 769,058.88 and 302,647.04

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Solution

The fourth proportional to 557,294.06, 769,058.88 and 302,647.04 is: 417,649.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,294.06 : 769,058.88 = 302,647.04 : x
  2. Step 2: Convert to fraction form
    557,294.06/769,058.88 = 302,647.04/x
  3. Step 3: Cross multiply
    557,294.06x = 769,058.88 × 302,647.04
  4. Step 4: Simplify right side
    557,294.06x = 232,753,393,617.72
  5. Step 5: Solve for x
    x = 232,753,393,617.72/557,294.06
  6. Step 6: Final answer
    x = 417,649.16

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Similar ratio
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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.