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Finding the Fourth Proportional to 342,817.44, 514,420.56 and 185,042.40

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Solution

The fourth proportional to 342,817.44, 514,420.56 and 185,042.40 is: 277,668.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,817.44 : 514,420.56 = 185,042.40 : x
  2. Step 2: Convert to fraction form
    342,817.44/514,420.56 = 185,042.40/x
  3. Step 3: Cross multiply
    342,817.44x = 514,420.56 × 185,042.40
  4. Step 4: Simplify right side
    342,817.44x = 95,189,615,031.74
  5. Step 5: Solve for x
    x = 95,189,615,031.74/342,817.44
  6. Step 6: Final answer
    x = 277,668.53

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1.5x scale

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.