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Finding the Fourth Proportional to 793,421, 1,190,332.88 and 367,264.22

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Solution

The fourth proportional to 793,421, 1,190,332.88 and 367,264.22 is: 550,989.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,421 : 1,190,332.88 = 367,264.22 : x
  2. Step 2: Convert to fraction form
    793,421/1,190,332.88 = 367,264.22/x
  3. Step 3: Cross multiply
    793,421x = 1,190,332.88 × 367,264.22
  4. Step 4: Simplify right side
    793,421x = 437,166,676,713.55
  5. Step 5: Solve for x
    x = 437,166,676,713.55/793,421
  6. Step 6: Final answer
    x = 550,989.55

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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.