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Finding the Fourth Proportional to 701,666.19, 968,548.32 and 415,185.66

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Solution

The fourth proportional to 701,666.19, 968,548.32 and 415,185.66 is: 573,103.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,666.19 : 968,548.32 = 415,185.66 : x
  2. Step 2: Convert to fraction form
    701,666.19/968,548.32 = 415,185.66/x
  3. Step 3: Cross multiply
    701,666.19x = 968,548.32 × 415,185.66
  4. Step 4: Simplify right side
    701,666.19x = 402,127,373,481.09
  5. Step 5: Solve for x
    x = 402,127,373,481.09/701,666.19
  6. Step 6: Final answer
    x = 573,103.53

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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.