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Finding the Fourth Proportional to 229,385.99, 316,425.15 and 213,148.94

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Solution

The fourth proportional to 229,385.99, 316,425.15 and 213,148.94 is: 294,027.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,385.99 : 316,425.15 = 213,148.94 : x
  2. Step 2: Convert to fraction form
    229,385.99/316,425.15 = 213,148.94/x
  3. Step 3: Cross multiply
    229,385.99x = 316,425.15 × 213,148.94
  4. Step 4: Simplify right side
    229,385.99x = 67,445,683,729.72
  5. Step 5: Solve for x
    x = 67,445,683,729.72/229,385.99
  6. Step 6: Final answer
    x = 294,027.04

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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.