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Finding the Fourth Proportional to 556,934.94, 768,570.84 and 302,286.06

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Solution

The fourth proportional to 556,934.94, 768,570.84 and 302,286.06 is: 417,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,934.94 : 768,570.84 = 302,286.06 : x
  2. Step 2: Convert to fraction form
    556,934.94/768,570.84 = 302,286.06/x
  3. Step 3: Cross multiply
    556,934.94x = 768,570.84 × 302,286.06
  4. Step 4: Simplify right side
    556,934.94x = 232,328,251,054.49
  5. Step 5: Solve for x
    x = 232,328,251,054.49/556,934.94
  6. Step 6: Final answer
    x = 417,155.10

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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.