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Finding the Fourth Proportional to 315,433.56, 473,034.06 and 248,097.36

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Solution

The fourth proportional to 315,433.56, 473,034.06 and 248,097.36 is: 372,054.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,433.56 : 473,034.06 = 248,097.36 : x
  2. Step 2: Convert to fraction form
    315,433.56/473,034.06 = 248,097.36/x
  3. Step 3: Cross multiply
    315,433.56x = 473,034.06 × 248,097.36
  4. Step 4: Simplify right side
    315,433.56x = 117,358,501,476.08
  5. Step 5: Solve for x
    x = 117,358,501,476.08/315,433.56
  6. Step 6: Final answer
    x = 372,054.58

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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.