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Finding the Fourth Proportional to 703,741.01, 971,138.93 and 417,090.92

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Solution

The fourth proportional to 703,741.01, 971,138.93 and 417,090.92 is: 575,571.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,741.01 : 971,138.93 = 417,090.92 : x
  2. Step 2: Convert to fraction form
    703,741.01/971,138.93 = 417,090.92/x
  3. Step 3: Cross multiply
    703,741.01x = 971,138.93 × 417,090.92
  4. Step 4: Simplify right side
    703,741.01x = 405,053,222,820.37
  5. Step 5: Solve for x
    x = 405,053,222,820.37/703,741.01
  6. Step 6: Final answer
    x = 575,571.44

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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.