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Finding the Fourth Proportional to 369,397.99, 554,128.43 and 116,610.86

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Solution

The fourth proportional to 369,397.99, 554,128.43 and 116,610.86 is: 174,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,397.99 : 554,128.43 = 116,610.86 : x
  2. Step 2: Convert to fraction form
    369,397.99/554,128.43 = 116,610.86/x
  3. Step 3: Cross multiply
    369,397.99x = 554,128.43 × 116,610.86
  4. Step 4: Simplify right side
    369,397.99x = 64,617,393,575.02
  5. Step 5: Solve for x
    x = 64,617,393,575.02/369,397.99
  6. Step 6: Final answer
    x = 174,926.22

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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.