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Finding the Fourth Proportional to 383,671.45, 575,551.62 and 127,526.92

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Solution

The fourth proportional to 383,671.45, 575,551.62 and 127,526.92 is: 191,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,671.45 : 575,551.62 = 127,526.92 : x
  2. Step 2: Convert to fraction form
    383,671.45/575,551.62 = 127,526.92/x
  3. Step 3: Cross multiply
    383,671.45x = 575,551.62 × 127,526.92
  4. Step 4: Simplify right side
    383,671.45x = 73,398,323,960.73
  5. Step 5: Solve for x
    x = 73,398,323,960.73/383,671.45
  6. Step 6: Final answer
    x = 191,305.15

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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.