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Finding the Fourth Proportional to 315,958, 473,954.28 and 94,359.28

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Solution

The fourth proportional to 315,958, 473,954.28 and 94,359.28 is: 141,544.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,958 : 473,954.28 = 94,359.28 : x
  2. Step 2: Convert to fraction form
    315,958/473,954.28 = 94,359.28/x
  3. Step 3: Cross multiply
    315,958x = 473,954.28 × 94,359.28
  4. Step 4: Simplify right side
    315,958x = 44,721,984,613.72
  5. Step 5: Solve for x
    x = 44,721,984,613.72/315,958
  6. Step 6: Final answer
    x = 141,544.08

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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.