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Finding the Fourth Proportional to 530,589.49, 732,130.99 and 304,191.25

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Solution

The fourth proportional to 530,589.49, 732,130.99 and 304,191.25 is: 419,736.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,589.49 : 732,130.99 = 304,191.25 : x
  2. Step 2: Convert to fraction form
    530,589.49/732,130.99 = 304,191.25/x
  3. Step 3: Cross multiply
    530,589.49x = 732,130.99 × 304,191.25
  4. Step 4: Simplify right side
    530,589.49x = 222,707,841,011.84
  5. Step 5: Solve for x
    x = 222,707,841,011.84/530,589.49
  6. Step 6: Final answer
    x = 419,736.62

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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.