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Finding the Fourth Proportional to 530,643.69, 732,293.33 and 304,245.45

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Solution

The fourth proportional to 530,643.69, 732,293.33 and 304,245.45 is: 419,861.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,643.69 : 732,293.33 = 304,245.45 : x
  2. Step 2: Convert to fraction form
    530,643.69/732,293.33 = 304,245.45/x
  3. Step 3: Cross multiply
    530,643.69x = 732,293.33 × 304,245.45
  4. Step 4: Simplify right side
    530,643.69x = 222,796,912,196.62
  5. Step 5: Solve for x
    x = 222,796,912,196.62/530,643.69
  6. Step 6: Final answer
    x = 419,861.61

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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.