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Finding the Fourth Proportional to 315,957, 473,952.78 and 94,358.28

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Solution

The fourth proportional to 315,957, 473,952.78 and 94,358.28 is: 141,542.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,957 : 473,952.78 = 94,358.28 : x
  2. Step 2: Convert to fraction form
    315,957/473,952.78 = 94,358.28/x
  3. Step 3: Cross multiply
    315,957x = 473,952.78 × 94,358.28
  4. Step 4: Simplify right side
    315,957x = 44,721,369,122.02
  5. Step 5: Solve for x
    x = 44,721,369,122.02/315,957
  6. Step 6: Final answer
    x = 141,542.58

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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.