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Finding the Fourth Proportional to 294,938.56, 440,254.66 and 253,087.58

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Solution

The fourth proportional to 294,938.56, 440,254.66 and 253,087.58 is: 377,783.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,938.56 : 440,254.66 = 253,087.58 : x
  2. Step 2: Convert to fraction form
    294,938.56/440,254.66 = 253,087.58/x
  3. Step 3: Cross multiply
    294,938.56x = 440,254.66 × 253,087.58
  4. Step 4: Simplify right side
    294,938.56x = 111,422,986,483.12
  5. Step 5: Solve for x
    x = 111,422,986,483.12/294,938.56
  6. Step 6: Final answer
    x = 377,783.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.