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Finding the Fourth Proportional to 710,610.73, 980,742.81 and 452,405.19

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Solution

The fourth proportional to 710,610.73, 980,742.81 and 452,405.19 is: 624,382.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,610.73 : 980,742.81 = 452,405.19 : x
  2. Step 2: Convert to fraction form
    710,610.73/980,742.81 = 452,405.19/x
  3. Step 3: Cross multiply
    710,610.73x = 980,742.81 × 452,405.19
  4. Step 4: Simplify right side
    710,610.73x = 443,693,137,299.18
  5. Step 5: Solve for x
    x = 443,693,137,299.18/710,610.73
  6. Step 6: Final answer
    x = 624,382.83

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1.5x scale

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.