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Finding the Fourth Proportional to 498,798.87, 748,496.40 and 183,287.67

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Solution

The fourth proportional to 498,798.87, 748,496.40 and 183,287.67 is: 275,041.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,798.87 : 748,496.40 = 183,287.67 : x
  2. Step 2: Convert to fraction form
    498,798.87/748,496.40 = 183,287.67/x
  3. Step 3: Cross multiply
    498,798.87x = 748,496.40 × 183,287.67
  4. Step 4: Simplify right side
    498,798.87x = 137,190,161,159.39
  5. Step 5: Solve for x
    x = 137,190,161,159.39/498,798.87
  6. Step 6: Final answer
    x = 275,041.04

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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.