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Finding the Fourth Proportional to 442,648.35, 664,292.37 and 176,255.34

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Solution

The fourth proportional to 442,648.35, 664,292.37 and 176,255.34 is: 264,510.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,648.35 : 664,292.37 = 176,255.34 : x
  2. Step 2: Convert to fraction form
    442,648.35/664,292.37 = 176,255.34/x
  3. Step 3: Cross multiply
    442,648.35x = 664,292.37 × 176,255.34
  4. Step 4: Simplify right side
    442,648.35x = 117,085,077,533.76
  5. Step 5: Solve for x
    x = 117,085,077,533.76/442,648.35
  6. Step 6: Final answer
    x = 264,510.37

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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.