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Finding the Fourth Proportional to 499,424.16, 748,785.78 and 183,840.60

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Solution

The fourth proportional to 499,424.16, 748,785.78 and 183,840.60 is: 275,631.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,424.16 : 748,785.78 = 183,840.60 : x
  2. Step 2: Convert to fraction form
    499,424.16/748,785.78 = 183,840.60/x
  3. Step 3: Cross multiply
    499,424.16x = 748,785.78 × 183,840.60
  4. Step 4: Simplify right side
    499,424.16x = 137,657,227,066.67
  5. Step 5: Solve for x
    x = 137,657,227,066.67/499,424.16
  6. Step 6: Final answer
    x = 275,631.89

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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.