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Finding the Fourth Proportional to 217,607.44, 326,409.60 and 153,300.94

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Solution

The fourth proportional to 217,607.44, 326,409.60 and 153,300.94 is: 229,950.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,607.44 : 326,409.60 = 153,300.94 : x
  2. Step 2: Convert to fraction form
    217,607.44/326,409.60 = 153,300.94/x
  3. Step 3: Cross multiply
    217,607.44x = 326,409.60 × 153,300.94
  4. Step 4: Simplify right side
    217,607.44x = 50,038,898,505.02
  5. Step 5: Solve for x
    x = 50,038,898,505.02/217,607.44
  6. Step 6: Final answer
    x = 229,950.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.