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Finding the Fourth Proportional to 370,426.64, 555,735.59 and 114,253.45

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Solution

The fourth proportional to 370,426.64, 555,735.59 and 114,253.45 is: 171,409.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,426.64 : 555,735.59 = 114,253.45 : x
  2. Step 2: Convert to fraction form
    370,426.64/555,735.59 = 114,253.45/x
  3. Step 3: Cross multiply
    370,426.64x = 555,735.59 × 114,253.45
  4. Step 4: Simplify right side
    370,426.64x = 63,494,708,445.29
  5. Step 5: Solve for x
    x = 63,494,708,445.29/370,426.64
  6. Step 6: Final answer
    x = 171,409.67

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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.