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Finding the Fourth Proportional to 545,060.16, 817,593.89 and 190,072.80

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Solution

The fourth proportional to 545,060.16, 817,593.89 and 190,072.80 is: 285,110.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,060.16 : 817,593.89 = 190,072.80 : x
  2. Step 2: Convert to fraction form
    545,060.16/817,593.89 = 190,072.80/x
  3. Step 3: Cross multiply
    545,060.16x = 817,593.89 × 190,072.80
  4. Step 4: Simplify right side
    545,060.16x = 155,402,358,984.83
  5. Step 5: Solve for x
    x = 155,402,358,984.83/545,060.16
  6. Step 6: Final answer
    x = 285,110.47

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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.