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Finding the Fourth Proportional to 556,330.77, 767,736.46 and 301,682.16

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Solution

The fourth proportional to 556,330.77, 767,736.46 and 301,682.16 is: 416,321.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,330.77 : 767,736.46 = 301,682.16 : x
  2. Step 2: Convert to fraction form
    556,330.77/767,736.46 = 301,682.16/x
  3. Step 3: Cross multiply
    556,330.77x = 767,736.46 × 301,682.16
  4. Step 4: Simplify right side
    556,330.77x = 231,612,393,563.55
  5. Step 5: Solve for x
    x = 231,612,393,563.55/556,330.77
  6. Step 6: Final answer
    x = 416,321.38

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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.