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Finding the Fourth Proportional to 310,636.47, 465,345.75 and 160,974.93

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Solution

The fourth proportional to 310,636.47, 465,345.75 and 160,974.93 is: 241,146.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,636.47 : 465,345.75 = 160,974.93 : x
  2. Step 2: Convert to fraction form
    310,636.47/465,345.75 = 160,974.93/x
  3. Step 3: Cross multiply
    310,636.47x = 465,345.75 × 160,974.93
  4. Step 4: Simplify right side
    310,636.47x = 74,908,999,532.05
  5. Step 5: Solve for x
    x = 74,908,999,532.05/310,636.47
  6. Step 6: Final answer
    x = 241,146.83

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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.