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Finding the Fourth Proportional to 238,586.96, 329,281.80 and 153,950.60

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Solution

The fourth proportional to 238,586.96, 329,281.80 and 153,950.60 is: 212,472.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,586.96 : 329,281.80 = 153,950.60 : x
  2. Step 2: Convert to fraction form
    238,586.96/329,281.80 = 153,950.60/x
  3. Step 3: Cross multiply
    238,586.96x = 329,281.80 × 153,950.60
  4. Step 4: Simplify right side
    238,586.96x = 50,693,130,679.08
  5. Step 5: Solve for x
    x = 50,693,130,679.08/238,586.96
  6. Step 6: Final answer
    x = 212,472.34

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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.