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Finding the Fourth Proportional to 499,373,004.60, 748,873,703.70 and 171,756,559.80

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Solution

The fourth proportional to 499,373,004.60, 748,873,703.70 and 171,756,559.80 is: 257,570,933.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,373,004.60 : 748,873,703.70 = 171,756,559.80 : x
  2. Step 2: Convert to fraction form
    499,373,004.60/748,873,703.70 = 171,756,559.80/x
  3. Step 3: Cross multiply
    499,373,004.60x = 748,873,703.70 × 171,756,559.80
  4. Step 4: Simplify right side
    499,373,004.60x = 128,623,971,072,196,544
  5. Step 5: Solve for x
    x = 128,623,971,072,196,544/499,373,004.60
  6. Step 6: Final answer
    x = 257,570,933.73

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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.