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Finding the Fourth Proportional to 383,290.60, 525,110.01 and 368,924.98

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Solution

The fourth proportional to 383,290.60, 525,110.01 and 368,924.98 is: 505,429.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,290.60 : 525,110.01 = 368,924.98 : x
  2. Step 2: Convert to fraction form
    383,290.60/525,110.01 = 368,924.98/x
  3. Step 3: Cross multiply
    383,290.60x = 525,110.01 × 368,924.98
  4. Step 4: Simplify right side
    383,290.60x = 193,726,199,937.05
  5. Step 5: Solve for x
    x = 193,726,199,937.05/383,290.60
  6. Step 6: Final answer
    x = 505,429.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.