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Finding the Fourth Proportional to 556,585.61, 768,089.61 and 301,936.79

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Solution

The fourth proportional to 556,585.61, 768,089.61 and 301,936.79 is: 416,673.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,585.61 : 768,089.61 = 301,936.79 : x
  2. Step 2: Convert to fraction form
    556,585.61/768,089.61 = 301,936.79/x
  3. Step 3: Cross multiply
    556,585.61x = 768,089.61 × 301,936.79
  4. Step 4: Simplify right side
    556,585.61x = 231,914,513,195.98
  5. Step 5: Solve for x
    x = 231,914,513,195.98/556,585.61
  6. Step 6: Final answer
    x = 416,673.57

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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.