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Finding the Fourth Proportional to 484,647.84, 668,833.20 and 269,779.68

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Solution

The fourth proportional to 484,647.84, 668,833.20 and 269,779.68 is: 372,306.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,647.84 : 668,833.20 = 269,779.68 : x
  2. Step 2: Convert to fraction form
    484,647.84/668,833.20 = 269,779.68/x
  3. Step 3: Cross multiply
    484,647.84x = 668,833.20 × 269,779.68
  4. Step 4: Simplify right side
    484,647.84x = 180,437,606,669.38
  5. Step 5: Solve for x
    x = 180,437,606,669.38/484,647.84
  6. Step 6: Final answer
    x = 372,306.64

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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.