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Finding the Fourth Proportional to 315,434.06, 473,034.81 and 248,097.86

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Solution

The fourth proportional to 315,434.06, 473,034.81 and 248,097.86 is: 372,055.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,434.06 : 473,034.81 = 248,097.86 : x
  2. Step 2: Convert to fraction form
    315,434.06/473,034.81 = 248,097.86/x
  3. Step 3: Cross multiply
    315,434.06x = 473,034.81 × 248,097.86
  4. Step 4: Simplify right side
    315,434.06x = 117,358,924,066.51
  5. Step 5: Solve for x
    x = 117,358,924,066.51/315,434.06
  6. Step 6: Final answer
    x = 372,055.33

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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.