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Finding the Fourth Proportional to 233,915.65, 322,803.37 and 126,485.43

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Solution

The fourth proportional to 233,915.65, 322,803.37 and 126,485.43 is: 174,549.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,915.65 : 322,803.37 = 126,485.43 : x
  2. Step 2: Convert to fraction form
    233,915.65/322,803.37 = 126,485.43/x
  3. Step 3: Cross multiply
    233,915.65x = 322,803.37 × 126,485.43
  4. Step 4: Simplify right side
    233,915.65x = 40,829,920,813.46
  5. Step 5: Solve for x
    x = 40,829,920,813.46/233,915.65
  6. Step 6: Final answer
    x = 174,549.76

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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.