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Finding the Fourth Proportional to 511,411.59, 767,196.21 and 174,373.41

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Solution

The fourth proportional to 511,411.59, 767,196.21 and 174,373.41 is: 261,586.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,411.59 : 767,196.21 = 174,373.41 : x
  2. Step 2: Convert to fraction form
    511,411.59/767,196.21 = 174,373.41/x
  3. Step 3: Cross multiply
    511,411.59x = 767,196.21 × 174,373.41
  4. Step 4: Simplify right side
    511,411.59x = 133,778,619,276.78
  5. Step 5: Solve for x
    x = 133,778,619,276.78/511,411.59
  6. Step 6: Final answer
    x = 261,586.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.