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Finding the Fourth Proportional to 604,853.20, 834,643.20 and 350,221.60

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Solution

The fourth proportional to 604,853.20, 834,643.20 and 350,221.60 is: 483,274.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,853.20 : 834,643.20 = 350,221.60 : x
  2. Step 2: Convert to fraction form
    604,853.20/834,643.20 = 350,221.60/x
  3. Step 3: Cross multiply
    604,853.20x = 834,643.20 × 350,221.60
  4. Step 4: Simplify right side
    604,853.20x = 292,310,076,933.12
  5. Step 5: Solve for x
    x = 292,310,076,933.12/604,853.20
  6. Step 6: Final answer
    x = 483,274.42

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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.