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Finding the Fourth Proportional to 545,337.86, 818,050.53 and 190,344.02

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Solution

The fourth proportional to 545,337.86, 818,050.53 and 190,344.02 is: 285,531.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,337.86 : 818,050.53 = 190,344.02 : x
  2. Step 2: Convert to fraction form
    545,337.86/818,050.53 = 190,344.02/x
  3. Step 3: Cross multiply
    545,337.86x = 818,050.53 × 190,344.02
  4. Step 4: Simplify right side
    545,337.86x = 155,711,026,443.33
  5. Step 5: Solve for x
    x = 155,711,026,443.33/545,337.86
  6. Step 6: Final answer
    x = 285,531.30

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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.