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Finding the Fourth Proportional to 556,344.08, 767,755.03 and 301,695.20

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Solution

The fourth proportional to 556,344.08, 767,755.03 and 301,695.20 is: 416,339.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,344.08 : 767,755.03 = 301,695.20 : x
  2. Step 2: Convert to fraction form
    556,344.08/767,755.03 = 301,695.20/x
  3. Step 3: Cross multiply
    556,344.08x = 767,755.03 × 301,695.20
  4. Step 4: Simplify right side
    556,344.08x = 231,628,002,733.84
  5. Step 5: Solve for x
    x = 231,628,002,733.84/556,344.08
  6. Step 6: Final answer
    x = 416,339.48

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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.