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Finding the Fourth Proportional to 373,739.57, 515,598.81 and 228,551.70

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Solution

The fourth proportional to 373,739.57, 515,598.81 and 228,551.70 is: 315,302.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,739.57 : 515,598.81 = 228,551.70 : x
  2. Step 2: Convert to fraction form
    373,739.57/515,598.81 = 228,551.70/x
  3. Step 3: Cross multiply
    373,739.57x = 515,598.81 × 228,551.70
  4. Step 4: Simplify right side
    373,739.57x = 117,840,984,543.48
  5. Step 5: Solve for x
    x = 117,840,984,543.48/373,739.57
  6. Step 6: Final answer
    x = 315,302.40

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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.