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Finding the Fourth Proportional to 836,307.40, 1,154,203.16 and 496,777

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Solution

The fourth proportional to 836,307.40, 1,154,203.16 and 496,777 is: 685,611.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,307.40 : 1,154,203.16 = 496,777 : x
  2. Step 2: Convert to fraction form
    836,307.40/1,154,203.16 = 496,777/x
  3. Step 3: Cross multiply
    836,307.40x = 1,154,203.16 × 496,777
  4. Step 4: Simplify right side
    836,307.40x = 573,381,583,215.32
  5. Step 5: Solve for x
    x = 573,381,583,215.32/836,307.40
  6. Step 6: Final answer
    x = 685,611.04

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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.