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Finding the Fourth Proportional to 452,488.49, 677,948.74 and 274,622.81

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Solution

The fourth proportional to 452,488.49, 677,948.74 and 274,622.81 is: 411,458.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,488.49 : 677,948.74 = 274,622.81 : x
  2. Step 2: Convert to fraction form
    452,488.49/677,948.74 = 274,622.81/x
  3. Step 3: Cross multiply
    452,488.49x = 677,948.74 × 274,622.81
  4. Step 4: Simplify right side
    452,488.49x = 186,180,188,014.76
  5. Step 5: Solve for x
    x = 186,180,188,014.76/452,488.49
  6. Step 6: Final answer
    x = 411,458.40

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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.