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Finding the Fourth Proportional to 650,725.81, 976,059.96 and 177,411.22

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Solution

The fourth proportional to 650,725.81, 976,059.96 and 177,411.22 is: 266,108.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,725.81 : 976,059.96 = 177,411.22 : x
  2. Step 2: Convert to fraction form
    650,725.81/976,059.96 = 177,411.22/x
  3. Step 3: Cross multiply
    650,725.81x = 976,059.96 × 177,411.22
  4. Step 4: Simplify right side
    650,725.81x = 173,163,985,191.31
  5. Step 5: Solve for x
    x = 173,163,985,191.31/650,725.81
  6. Step 6: Final answer
    x = 266,108.99

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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.