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Finding the Fourth Proportional to 383,840.48, 575,635.98 and 127,604.27

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Solution

The fourth proportional to 383,840.48, 575,635.98 and 127,604.27 is: 191,364.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,840.48 : 575,635.98 = 127,604.27 : x
  2. Step 2: Convert to fraction form
    383,840.48/575,635.98 = 127,604.27/x
  3. Step 3: Cross multiply
    383,840.48x = 575,635.98 × 127,604.27
  4. Step 4: Simplify right side
    383,840.48x = 73,453,610,931.24
  5. Step 5: Solve for x
    x = 73,453,610,931.24/383,840.48
  6. Step 6: Final answer
    x = 191,364.94

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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.