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Finding the Fourth Proportional to 350,703.17, 526,011.02 and 140,342.93

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Solution

The fourth proportional to 350,703.17, 526,011.02 and 140,342.93 is: 210,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,703.17 : 526,011.02 = 140,342.93 : x
  2. Step 2: Convert to fraction form
    350,703.17/526,011.02 = 140,342.93/x
  3. Step 3: Cross multiply
    350,703.17x = 526,011.02 × 140,342.93
  4. Step 4: Simplify right side
    350,703.17x = 73,821,928,898.69
  5. Step 5: Solve for x
    x = 73,821,928,898.69/350,703.17
  6. Step 6: Final answer
    x = 210,496.90

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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.