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Finding the Fourth Proportional to 637,058.70, 879,118.65 and 350,571.42

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Solution

The fourth proportional to 637,058.70, 879,118.65 and 350,571.42 is: 483,776.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,058.70 : 879,118.65 = 350,571.42 : x
  2. Step 2: Convert to fraction form
    637,058.70/879,118.65 = 350,571.42/x
  3. Step 3: Cross multiply
    637,058.70x = 879,118.65 × 350,571.42
  4. Step 4: Simplify right side
    637,058.70x = 308,193,873,478.98
  5. Step 5: Solve for x
    x = 308,193,873,478.98/637,058.70
  6. Step 6: Final answer
    x = 483,776.26

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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.