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Finding the Fourth Proportional to 556,774.99, 768,351.53 and 302,126.17

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Solution

The fourth proportional to 556,774.99, 768,351.53 and 302,126.17 is: 416,935.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,774.99 : 768,351.53 = 302,126.17 : x
  2. Step 2: Convert to fraction form
    556,774.99/768,351.53 = 302,126.17/x
  3. Step 3: Cross multiply
    556,774.99x = 768,351.53 × 302,126.17
  4. Step 4: Simplify right side
    556,774.99x = 232,139,104,972.54
  5. Step 5: Solve for x
    x = 232,139,104,972.54/556,774.99
  6. Step 6: Final answer
    x = 416,935.22

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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.