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Finding the Fourth Proportional to 722,233.01, 996,679.93 and 416,307.36

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Solution

The fourth proportional to 722,233.01, 996,679.93 and 416,307.36 is: 574,503.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,233.01 : 996,679.93 = 416,307.36 : x
  2. Step 2: Convert to fraction form
    722,233.01/996,679.93 = 416,307.36/x
  3. Step 3: Cross multiply
    722,233.01x = 996,679.93 × 416,307.36
  4. Step 4: Simplify right side
    722,233.01x = 414,925,190,423.29
  5. Step 5: Solve for x
    x = 414,925,190,423.29/722,233.01
  6. Step 6: Final answer
    x = 574,503.22

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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.