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Finding the Fourth Proportional to 370,361.16, 555,484.84 and 117,608.86

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Solution

The fourth proportional to 370,361.16, 555,484.84 and 117,608.86 is: 176,395.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,361.16 : 555,484.84 = 117,608.86 : x
  2. Step 2: Convert to fraction form
    370,361.16/555,484.84 = 117,608.86/x
  3. Step 3: Cross multiply
    370,361.16x = 555,484.84 × 117,608.86
  4. Step 4: Simplify right side
    370,361.16x = 65,329,939,180.02
  5. Step 5: Solve for x
    x = 65,329,939,180.02/370,361.16
  6. Step 6: Final answer
    x = 176,395.22

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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.