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Finding the Fourth Proportional to 467,130.48, 644,640.06 and 252,270.54

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Solution

The fourth proportional to 467,130.48, 644,640.06 and 252,270.54 is: 348,133.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,130.48 : 644,640.06 = 252,270.54 : x
  2. Step 2: Convert to fraction form
    467,130.48/644,640.06 = 252,270.54/x
  3. Step 3: Cross multiply
    467,130.48x = 644,640.06 × 252,270.54
  4. Step 4: Simplify right side
    467,130.48x = 162,623,696,041.83
  5. Step 5: Solve for x
    x = 162,623,696,041.83/467,130.48
  6. Step 6: Final answer
    x = 348,133.34

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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.