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Finding the Fourth Proportional to 498,889.47, 748,629.45 and 183,567.81

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Solution

The fourth proportional to 498,889.47, 748,629.45 and 183,567.81 is: 275,460.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,889.47 : 748,629.45 = 183,567.81 : x
  2. Step 2: Convert to fraction form
    498,889.47/748,629.45 = 183,567.81/x
  3. Step 3: Cross multiply
    498,889.47x = 748,629.45 × 183,567.81
  4. Step 4: Simplify right side
    498,889.47x = 137,424,268,638.00
  5. Step 5: Solve for x
    x = 137,424,268,638.00/498,889.47
  6. Step 6: Final answer
    x = 275,460.35

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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.