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Finding the Fourth Proportional to 592,653.24, 817,861.42 and 320,721.10

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Solution

The fourth proportional to 592,653.24, 817,861.42 and 320,721.10 is: 442,595.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,653.24 : 817,861.42 = 320,721.10 : x
  2. Step 2: Convert to fraction form
    592,653.24/817,861.42 = 320,721.10/x
  3. Step 3: Cross multiply
    592,653.24x = 817,861.42 × 320,721.10
  4. Step 4: Simplify right side
    592,653.24x = 262,305,414,269.96
  5. Step 5: Solve for x
    x = 262,305,414,269.96/592,653.24
  6. Step 6: Final answer
    x = 442,595.09

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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.