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Finding the Fourth Proportional to 303,390.84, 455,133.78 and 93,006.84

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Solution

The fourth proportional to 303,390.84, 455,133.78 and 93,006.84 is: 139,524.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,390.84 : 455,133.78 = 93,006.84 : x
  2. Step 2: Convert to fraction form
    303,390.84/455,133.78 = 93,006.84/x
  3. Step 3: Cross multiply
    303,390.84x = 455,133.78 × 93,006.84
  4. Step 4: Simplify right side
    303,390.84x = 42,330,554,655.06
  5. Step 5: Solve for x
    x = 42,330,554,655.06/303,390.84
  6. Step 6: Final answer
    x = 139,524.83

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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.