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Finding the Fourth Proportional to 613,316.56, 920,011.74 and 192,592.43

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Solution

The fourth proportional to 613,316.56, 920,011.74 and 192,592.43 is: 288,900.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,316.56 : 920,011.74 = 192,592.43 : x
  2. Step 2: Convert to fraction form
    613,316.56/920,011.74 = 192,592.43/x
  3. Step 3: Cross multiply
    613,316.56x = 920,011.74 × 192,592.43
  4. Step 4: Simplify right side
    613,316.56x = 177,187,299,657.38
  5. Step 5: Solve for x
    x = 177,187,299,657.38/613,316.56
  6. Step 6: Final answer
    x = 288,900.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.