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Finding the Fourth Proportional to 556,936.93, 768,573.84 and 302,288.23

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Solution

The fourth proportional to 556,936.93, 768,573.84 and 302,288.23 is: 417,158.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,936.93 : 768,573.84 = 302,288.23 : x
  2. Step 2: Convert to fraction form
    556,936.93/768,573.84 = 302,288.23/x
  3. Step 3: Cross multiply
    556,936.93x = 768,573.84 × 302,288.23
  4. Step 4: Simplify right side
    556,936.93x = 232,330,825,717.90
  5. Step 5: Solve for x
    x = 232,330,825,717.90/556,936.93
  6. Step 6: Final answer
    x = 417,158.23

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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.