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Finding the Fourth Proportional to 215,885.80, 298,004.40 and 162,326.32

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Solution

The fourth proportional to 215,885.80, 298,004.40 and 162,326.32 is: 224,071.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,885.80 : 298,004.40 = 162,326.32 : x
  2. Step 2: Convert to fraction form
    215,885.80/298,004.40 = 162,326.32/x
  3. Step 3: Cross multiply
    215,885.80x = 298,004.40 × 162,326.32
  4. Step 4: Simplify right side
    215,885.80x = 48,373,957,595.81
  5. Step 5: Solve for x
    x = 48,373,957,595.81/215,885.80
  6. Step 6: Final answer
    x = 224,071.98

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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.