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Finding the Fourth Proportional to 403,050.70, 556,209.84 and 221,758.84

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Solution

The fourth proportional to 403,050.70, 556,209.84 and 221,758.84 is: 306,027.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,050.70 : 556,209.84 = 221,758.84 : x
  2. Step 2: Convert to fraction form
    403,050.70/556,209.84 = 221,758.84/x
  3. Step 3: Cross multiply
    403,050.70x = 556,209.84 × 221,758.84
  4. Step 4: Simplify right side
    403,050.70x = 123,344,448,914.99
  5. Step 5: Solve for x
    x = 123,344,448,914.99/403,050.70
  6. Step 6: Final answer
    x = 306,027.13

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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.