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Finding the Fourth Proportional to 298,444.77, 411,854.85 and 162,480.33

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Solution

The fourth proportional to 298,444.77, 411,854.85 and 162,480.33 is: 224,223.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,444.77 : 411,854.85 = 162,480.33 : x
  2. Step 2: Convert to fraction form
    298,444.77/411,854.85 = 162,480.33/x
  3. Step 3: Cross multiply
    298,444.77x = 411,854.85 × 162,480.33
  4. Step 4: Simplify right side
    298,444.77x = 66,918,311,940.10
  5. Step 5: Solve for x
    x = 66,918,311,940.10/298,444.77
  6. Step 6: Final answer
    x = 224,223.44

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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.