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Finding the Fourth Proportional to 489,281.60, 733,922.40 and 134,295.06

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Solution

The fourth proportional to 489,281.60, 733,922.40 and 134,295.06 is: 201,442.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,281.60 : 733,922.40 = 134,295.06 : x
  2. Step 2: Convert to fraction form
    489,281.60/733,922.40 = 134,295.06/x
  3. Step 3: Cross multiply
    489,281.60x = 733,922.40 × 134,295.06
  4. Step 4: Simplify right side
    489,281.60x = 98,562,152,743.34
  5. Step 5: Solve for x
    x = 98,562,152,743.34/489,281.60
  6. Step 6: Final answer
    x = 201,442.59

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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.