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Finding the Fourth Proportional to 294,123.76, 440,072.30 and 174,245.07

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Solution

The fourth proportional to 294,123.76, 440,072.30 and 174,245.07 is: 260,708.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,123.76 : 440,072.30 = 174,245.07 : x
  2. Step 2: Convert to fraction form
    294,123.76/440,072.30 = 174,245.07/x
  3. Step 3: Cross multiply
    294,123.76x = 440,072.30 × 174,245.07
  4. Step 4: Simplify right side
    294,123.76x = 76,680,426,518.20
  5. Step 5: Solve for x
    x = 76,680,426,518.20/294,123.76
  6. Step 6: Final answer
    x = 260,708.03

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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.