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Finding the Fourth Proportional to 499,365.66, 748,698.57 and 183,781.56

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Solution

The fourth proportional to 499,365.66, 748,698.57 and 183,781.56 is: 275,543.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,365.66 : 748,698.57 = 183,781.56 : x
  2. Step 2: Convert to fraction form
    499,365.66/748,698.57 = 183,781.56/x
  3. Step 3: Cross multiply
    499,365.66x = 748,698.57 × 183,781.56
  4. Step 4: Simplify right side
    499,365.66x = 137,596,991,164.37
  5. Step 5: Solve for x
    x = 137,596,991,164.37/499,365.66
  6. Step 6: Final answer
    x = 275,543.56

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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.