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Finding the Fourth Proportional to 556,221.32, 834,634.73 and 236,323.16

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Solution

The fourth proportional to 556,221.32, 834,634.73 and 236,323.16 is: 354,613.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,221.32 : 834,634.73 = 236,323.16 : x
  2. Step 2: Convert to fraction form
    556,221.32/834,634.73 = 236,323.16/x
  3. Step 3: Cross multiply
    556,221.32x = 834,634.73 × 236,323.16
  4. Step 4: Simplify right side
    556,221.32x = 197,243,513,256.98
  5. Step 5: Solve for x
    x = 197,243,513,256.98/556,221.32
  6. Step 6: Final answer
    x = 354,613.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.