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Finding the Fourth Proportional to 370,610.16, 555,909.78 and 117,905.94

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Solution

The fourth proportional to 370,610.16, 555,909.78 and 117,905.94 is: 176,857.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,610.16 : 555,909.78 = 117,905.94 : x
  2. Step 2: Convert to fraction form
    370,610.16/555,909.78 = 117,905.94/x
  3. Step 3: Cross multiply
    370,610.16x = 555,909.78 × 117,905.94
  4. Step 4: Simplify right side
    370,610.16x = 65,545,065,166.09
  5. Step 5: Solve for x
    x = 65,545,065,166.09/370,610.16
  6. Step 6: Final answer
    x = 176,857.17

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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.