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Finding the Fourth Proportional to 513,337.59, 770,116.28 and 153,536.67

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Solution

The fourth proportional to 513,337.59, 770,116.28 and 153,536.67 is: 230,337.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,337.59 : 770,116.28 = 153,536.67 : x
  2. Step 2: Convert to fraction form
    513,337.59/770,116.28 = 153,536.67/x
  3. Step 3: Cross multiply
    513,337.59x = 770,116.28 × 153,536.67
  4. Step 4: Simplify right side
    513,337.59x = 118,241,088,376.30
  5. Step 5: Solve for x
    x = 118,241,088,376.30/513,337.59
  6. Step 6: Final answer
    x = 230,337.87

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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.