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Finding the Fourth Proportional to 700,953.82, 967,293.19 and 442,968.63

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Solution

The fourth proportional to 700,953.82, 967,293.19 and 442,968.63 is: 611,282.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,953.82 : 967,293.19 = 442,968.63 : x
  2. Step 2: Convert to fraction form
    700,953.82/967,293.19 = 442,968.63/x
  3. Step 3: Cross multiply
    700,953.82x = 967,293.19 × 442,968.63
  4. Step 4: Simplify right side
    700,953.82x = 428,480,539,182.63
  5. Step 5: Solve for x
    x = 428,480,539,182.63/700,953.82
  6. Step 6: Final answer
    x = 611,282.12

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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.