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Finding the Fourth Proportional to 446,752.40, 670,211.60 and 147,254

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Solution

The fourth proportional to 446,752.40, 670,211.60 and 147,254 is: 220,908.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,752.40 : 670,211.60 = 147,254 : x
  2. Step 2: Convert to fraction form
    446,752.40/670,211.60 = 147,254/x
  3. Step 3: Cross multiply
    446,752.40x = 670,211.60 × 147,254
  4. Step 4: Simplify right side
    446,752.40x = 98,691,338,946.40
  5. Step 5: Solve for x
    x = 98,691,338,946.40/446,752.40
  6. Step 6: Final answer
    x = 220,908.36

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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.