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Finding the Fourth Proportional to 383,852.40, 575,778.60 and 197,228.40

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Solution

The fourth proportional to 383,852.40, 575,778.60 and 197,228.40 is: 295,842.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,852.40 : 575,778.60 = 197,228.40 : x
  2. Step 2: Convert to fraction form
    383,852.40/575,778.60 = 197,228.40/x
  3. Step 3: Cross multiply
    383,852.40x = 575,778.60 × 197,228.40
  4. Step 4: Simplify right side
    383,852.40x = 113,559,892,032.24
  5. Step 5: Solve for x
    x = 113,559,892,032.24/383,852.40
  6. Step 6: Final answer
    x = 295,842.60

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1.5x scale

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.