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Finding the Fourth Proportional to 710,642.12, 980,786.16 and 452,436.60

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Solution

The fourth proportional to 710,642.12, 980,786.16 and 452,436.60 is: 624,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,642.12 : 980,786.16 = 452,436.60 : x
  2. Step 2: Convert to fraction form
    710,642.12/980,786.16 = 452,436.60/x
  3. Step 3: Cross multiply
    710,642.12x = 980,786.16 × 452,436.60
  4. Step 4: Simplify right side
    710,642.12x = 443,743,555,557.46
  5. Step 5: Solve for x
    x = 443,743,555,557.46/710,642.12
  6. Step 6: Final answer
    x = 624,426.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.