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Finding the Fourth Proportional to 344,501.56, 516,870.75 and 155,094.72

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Solution

The fourth proportional to 344,501.56, 516,870.75 and 155,094.72 is: 232,695.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,501.56 : 516,870.75 = 155,094.72 : x
  2. Step 2: Convert to fraction form
    344,501.56/516,870.75 = 155,094.72/x
  3. Step 3: Cross multiply
    344,501.56x = 516,870.75 × 155,094.72
  4. Step 4: Simplify right side
    344,501.56x = 80,163,924,247.44
  5. Step 5: Solve for x
    x = 80,163,924,247.44/344,501.56
  6. Step 6: Final answer
    x = 232,695.39

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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.