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Finding the Fourth Proportional to 556,932.43, 768,567.63 and 302,283.73

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Solution

The fourth proportional to 556,932.43, 768,567.63 and 302,283.73 is: 417,152.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,932.43 : 768,567.63 = 302,283.73 : x
  2. Step 2: Convert to fraction form
    556,932.43/768,567.63 = 302,283.73/x
  3. Step 3: Cross multiply
    556,932.43x = 768,567.63 × 302,283.73
  4. Step 4: Simplify right side
    556,932.43x = 232,325,489,953.66
  5. Step 5: Solve for x
    x = 232,325,489,953.66/556,932.43
  6. Step 6: Final answer
    x = 417,152.02

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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.