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Finding the Fourth Proportional to 233,915.62, 322,803.74 and 126,485.72

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Solution

The fourth proportional to 233,915.62, 322,803.74 and 126,485.72 is: 174,550.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,915.62 : 322,803.74 = 126,485.72 : x
  2. Step 2: Convert to fraction form
    233,915.62/322,803.74 = 126,485.72/x
  3. Step 3: Cross multiply
    233,915.62x = 322,803.74 × 126,485.72
  4. Step 4: Simplify right side
    233,915.62x = 40,830,063,472.59
  5. Step 5: Solve for x
    x = 40,830,063,472.59/233,915.62
  6. Step 6: Final answer
    x = 174,550.39

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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.