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Finding the Fourth Proportional to 607,060.16, 837,770.09 and 349,020.78

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Solution

The fourth proportional to 607,060.16, 837,770.09 and 349,020.78 is: 481,664.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,060.16 : 837,770.09 = 349,020.78 : x
  2. Step 2: Convert to fraction form
    607,060.16/837,770.09 = 349,020.78/x
  3. Step 3: Cross multiply
    607,060.16x = 837,770.09 × 349,020.78
  4. Step 4: Simplify right side
    607,060.16x = 292,399,168,527.37
  5. Step 5: Solve for x
    x = 292,399,168,527.37/607,060.16
  6. Step 6: Final answer
    x = 481,664.24

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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.