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Finding the Fourth Proportional to 465,524.48, 642,424.28 and 264,320.48

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Solution

The fourth proportional to 465,524.48, 642,424.28 and 264,320.48 is: 364,762.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,524.48 : 642,424.28 = 264,320.48 : x
  2. Step 2: Convert to fraction form
    465,524.48/642,424.28 = 264,320.48/x
  3. Step 3: Cross multiply
    465,524.48x = 642,424.28 × 264,320.48
  4. Step 4: Simplify right side
    465,524.48x = 169,805,894,053.25
  5. Step 5: Solve for x
    x = 169,805,894,053.25/465,524.48
  6. Step 6: Final answer
    x = 364,762.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.