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Finding the Fourth Proportional to 228,957.30, 343,430.55 and 62,745.30

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Solution

The fourth proportional to 228,957.30, 343,430.55 and 62,745.30 is: 94,116.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,957.30 : 343,430.55 = 62,745.30 : x
  2. Step 2: Convert to fraction form
    228,957.30/343,430.55 = 62,745.30/x
  3. Step 3: Cross multiply
    228,957.30x = 343,430.55 × 62,745.30
  4. Step 4: Simplify right side
    228,957.30x = 21,548,652,888.92
  5. Step 5: Solve for x
    x = 21,548,652,888.92/228,957.30
  6. Step 6: Final answer
    x = 94,116.47

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1.5x scale

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.