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Finding the Fourth Proportional to 228,464.42, 315,280.86 and 127,862.42

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Solution

The fourth proportional to 228,464.42, 315,280.86 and 127,862.42 is: 176,450.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,464.42 : 315,280.86 = 127,862.42 : x
  2. Step 2: Convert to fraction form
    228,464.42/315,280.86 = 127,862.42/x
  3. Step 3: Cross multiply
    228,464.42x = 315,280.86 × 127,862.42
  4. Step 4: Simplify right side
    228,464.42x = 40,312,573,739.28
  5. Step 5: Solve for x
    x = 40,312,573,739.28/228,464.42
  6. Step 6: Final answer
    x = 176,450.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.