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Finding the Fourth Proportional to 373,777.35, 516,487.47 and 266,160.55

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Solution

The fourth proportional to 373,777.35, 516,487.47 and 266,160.55 is: 367,782.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,777.35 : 516,487.47 = 266,160.55 : x
  2. Step 2: Convert to fraction form
    373,777.35/516,487.47 = 266,160.55/x
  3. Step 3: Cross multiply
    373,777.35x = 516,487.47 × 266,160.55
  4. Step 4: Simplify right side
    373,777.35x = 137,468,590,727.02
  5. Step 5: Solve for x
    x = 137,468,590,727.02/373,777.35
  6. Step 6: Final answer
    x = 367,782.02

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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.