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Finding the Fourth Proportional to 383,627, 575,523.58 and 146,969.70

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Solution

The fourth proportional to 383,627, 575,523.58 and 146,969.70 is: 220,486.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,627 : 575,523.58 = 146,969.70 : x
  2. Step 2: Convert to fraction form
    383,627/575,523.58 = 146,969.70/x
  3. Step 3: Cross multiply
    383,627x = 575,523.58 × 146,969.70
  4. Step 4: Simplify right side
    383,627x = 84,584,527,895.53
  5. Step 5: Solve for x
    x = 84,584,527,895.53/383,627
  6. Step 6: Final answer
    x = 220,486.38

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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.