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Finding the Fourth Proportional to 370,476.64, 555,656.77 and 117,723.84

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Solution

The fourth proportional to 370,476.64, 555,656.77 and 117,723.84 is: 176,567.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,476.64 : 555,656.77 = 117,723.84 : x
  2. Step 2: Convert to fraction form
    370,476.64/555,656.77 = 117,723.84/x
  3. Step 3: Cross multiply
    370,476.64x = 555,656.77 × 117,723.84
  4. Step 4: Simplify right side
    370,476.64x = 65,414,048,686.40
  5. Step 5: Solve for x
    x = 65,414,048,686.40/370,476.64
  6. Step 6: Final answer
    x = 176,567.27

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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.