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Finding the Fourth Proportional to 545,847.51, 753,274.67 and 300,841.01

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Solution

The fourth proportional to 545,847.51, 753,274.67 and 300,841.01 is: 415,163.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,847.51 : 753,274.67 = 300,841.01 : x
  2. Step 2: Convert to fraction form
    545,847.51/753,274.67 = 300,841.01/x
  3. Step 3: Cross multiply
    545,847.51x = 753,274.67 × 300,841.01
  4. Step 4: Simplify right side
    545,847.51x = 226,615,907,259.64
  5. Step 5: Solve for x
    x = 226,615,907,259.64/545,847.51
  6. Step 6: Final answer
    x = 415,163.40

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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.