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Finding the Fourth Proportional to 557,250.54, 769,008.58 and 302,601.72

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Solution

The fourth proportional to 557,250.54, 769,008.58 and 302,601.72 is: 417,591.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,250.54 : 769,008.58 = 302,601.72 : x
  2. Step 2: Convert to fraction form
    557,250.54/769,008.58 = 302,601.72/x
  3. Step 3: Cross multiply
    557,250.54x = 769,008.58 × 302,601.72
  4. Step 4: Simplify right side
    557,250.54x = 232,703,322,832.17
  5. Step 5: Solve for x
    x = 232,703,322,832.17/557,250.54
  6. Step 6: Final answer
    x = 417,591.92

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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.