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Finding the Fourth Proportional to 477,048, 658,326.24 and 275,856.96

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Solution

The fourth proportional to 477,048, 658,326.24 and 275,856.96 is: 380,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,048 : 658,326.24 = 275,856.96 : x
  2. Step 2: Convert to fraction form
    477,048/658,326.24 = 275,856.96/x
  3. Step 3: Cross multiply
    477,048x = 658,326.24 × 275,856.96
  4. Step 4: Simplify right side
    477,048x = 181,603,875,254.63
  5. Step 5: Solve for x
    x = 181,603,875,254.63/477,048
  6. Step 6: Final answer
    x = 380,682.60

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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.