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Finding the Fourth Proportional to 294,101.80, 440,277.90 and 175,712.20

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Solution

The fourth proportional to 294,101.80, 440,277.90 and 175,712.20 is: 263,045.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,101.80 : 440,277.90 = 175,712.20 : x
  2. Step 2: Convert to fraction form
    294,101.80/440,277.90 = 175,712.20/x
  3. Step 3: Cross multiply
    294,101.80x = 440,277.90 × 175,712.20
  4. Step 4: Simplify right side
    294,101.80x = 77,362,198,420.38
  5. Step 5: Solve for x
    x = 77,362,198,420.38/294,101.80
  6. Step 6: Final answer
    x = 263,045.65

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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.