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Finding the Fourth Proportional to 342,674.42, 514,483.31 and 174,308.67

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Solution

The fourth proportional to 342,674.42, 514,483.31 and 174,308.67 is: 261,702.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,674.42 : 514,483.31 = 174,308.67 : x
  2. Step 2: Convert to fraction form
    342,674.42/514,483.31 = 174,308.67/x
  3. Step 3: Cross multiply
    342,674.42x = 514,483.31 × 174,308.67
  4. Step 4: Simplify right side
    342,674.42x = 89,678,900,631.75
  5. Step 5: Solve for x
    x = 89,678,900,631.75/342,674.42
  6. Step 6: Final answer
    x = 261,702.94

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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.