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Finding the Fourth Proportional to 556,910.06, 768,536.64 and 302,261.24

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Solution

The fourth proportional to 556,910.06, 768,536.64 and 302,261.24 is: 417,120.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,910.06 : 768,536.64 = 302,261.24 : x
  2. Step 2: Convert to fraction form
    556,910.06/768,536.64 = 302,261.24/x
  3. Step 3: Cross multiply
    556,910.06x = 768,536.64 × 302,261.24
  4. Step 4: Simplify right side
    556,910.06x = 232,298,839,713.18
  5. Step 5: Solve for x
    x = 232,298,839,713.18/556,910.06
  6. Step 6: Final answer
    x = 417,120.93

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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.