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Finding the Fourth Proportional to 303,391.34, 455,134.53 and 93,007.34

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Solution

The fourth proportional to 303,391.34, 455,134.53 and 93,007.34 is: 139,525.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,391.34 : 455,134.53 = 93,007.34 : x
  2. Step 2: Convert to fraction form
    303,391.34/455,134.53 = 93,007.34/x
  3. Step 3: Cross multiply
    303,391.34x = 455,134.53 × 93,007.34
  4. Step 4: Simplify right side
    303,391.34x = 42,330,851,977.45
  5. Step 5: Solve for x
    x = 42,330,851,977.45/303,391.34
  6. Step 6: Final answer
    x = 139,525.58

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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.