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Finding the Fourth Proportional to 349,779.95, 482,653.42 and 220,669.73

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Solution

The fourth proportional to 349,779.95, 482,653.42 and 220,669.73 is: 304,497.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,779.95 : 482,653.42 = 220,669.73 : x
  2. Step 2: Convert to fraction form
    349,779.95/482,653.42 = 220,669.73/x
  3. Step 3: Cross multiply
    349,779.95x = 482,653.42 × 220,669.73
  4. Step 4: Simplify right side
    349,779.95x = 106,507,000,529.94
  5. Step 5: Solve for x
    x = 106,507,000,529.94/349,779.95
  6. Step 6: Final answer
    x = 304,497.16

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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.