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Finding the Fourth Proportional to 556,900.06, 768,522.84 and 302,251.25

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Solution

The fourth proportional to 556,900.06, 768,522.84 and 302,251.25 is: 417,107.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,900.06 : 768,522.84 = 302,251.25 : x
  2. Step 2: Convert to fraction form
    556,900.06/768,522.84 = 302,251.25/x
  3. Step 3: Cross multiply
    556,900.06x = 768,522.84 × 302,251.25
  4. Step 4: Simplify right side
    556,900.06x = 232,286,983,689.68
  5. Step 5: Solve for x
    x = 232,286,983,689.68/556,900.06
  6. Step 6: Final answer
    x = 417,107.13

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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.