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Finding the Fourth Proportional to 556,237.80, 767,613.24 and 301,589.64

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Solution

The fourth proportional to 556,237.80, 767,613.24 and 301,589.64 is: 416,196.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,237.80 : 767,613.24 = 301,589.64 : x
  2. Step 2: Convert to fraction form
    556,237.80/767,613.24 = 301,589.64/x
  3. Step 3: Cross multiply
    556,237.80x = 767,613.24 × 301,589.64
  4. Step 4: Simplify right side
    556,237.80x = 231,504,200,710.83
  5. Step 5: Solve for x
    x = 231,504,200,710.83/556,237.80
  6. Step 6: Final answer
    x = 416,196.46

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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.