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Finding the Fourth Proportional to 303,396.86, 455,078.28 and 93,034.22

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Solution

The fourth proportional to 303,396.86, 455,078.28 and 93,034.22 is: 139,546.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,396.86 : 455,078.28 = 93,034.22 : x
  2. Step 2: Convert to fraction form
    303,396.86/455,078.28 = 93,034.22/x
  3. Step 3: Cross multiply
    303,396.86x = 455,078.28 × 93,034.22
  4. Step 4: Simplify right side
    303,396.86x = 42,337,852,818.74
  5. Step 5: Solve for x
    x = 42,337,852,818.74/303,396.86
  6. Step 6: Final answer
    x = 139,546.11

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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.