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Finding the Fourth Proportional to 508,601.67, 700,269.98 and 431,956.23

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Solution

The fourth proportional to 508,601.67, 700,269.98 and 431,956.23 is: 594,740.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,601.67 : 700,269.98 = 431,956.23 : x
  2. Step 2: Convert to fraction form
    508,601.67/700,269.98 = 431,956.23/x
  3. Step 3: Cross multiply
    508,601.67x = 700,269.98 × 431,956.23
  4. Step 4: Simplify right side
    508,601.67x = 302,485,978,383.19
  5. Step 5: Solve for x
    x = 302,485,978,383.19/508,601.67
  6. Step 6: Final answer
    x = 594,740.43

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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.