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Finding the Fourth Proportional to 311,526.94, 430,050.70 and 182,447.46

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Solution

The fourth proportional to 311,526.94, 430,050.70 and 182,447.46 is: 251,861.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,526.94 : 430,050.70 = 182,447.46 : x
  2. Step 2: Convert to fraction form
    311,526.94/430,050.70 = 182,447.46/x
  3. Step 3: Cross multiply
    311,526.94x = 430,050.70 × 182,447.46
  4. Step 4: Simplify right side
    311,526.94x = 78,461,657,886.22
  5. Step 5: Solve for x
    x = 78,461,657,886.22/311,526.94
  6. Step 6: Final answer
    x = 251,861.55

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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.