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Finding the Fourth Proportional to 433,781.75, 598,533.75 and 272,543.38

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Solution

The fourth proportional to 433,781.75, 598,533.75 and 272,543.38 is: 376,056.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,781.75 : 598,533.75 = 272,543.38 : x
  2. Step 2: Convert to fraction form
    433,781.75/598,533.75 = 272,543.38/x
  3. Step 3: Cross multiply
    433,781.75x = 598,533.75 × 272,543.38
  4. Step 4: Simplify right side
    433,781.75x = 163,126,410,191.72
  5. Step 5: Solve for x
    x = 163,126,410,191.72/433,781.75
  6. Step 6: Final answer
    x = 376,056.42

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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.