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Finding the Fourth Proportional to 314,408.84, 433,940.79 and 185,339.62

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Solution

The fourth proportional to 314,408.84, 433,940.79 and 185,339.62 is: 255,802.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,408.84 : 433,940.79 = 185,339.62 : x
  2. Step 2: Convert to fraction form
    314,408.84/433,940.79 = 185,339.62/x
  3. Step 3: Cross multiply
    314,408.84x = 433,940.79 × 185,339.62
  4. Step 4: Simplify right side
    314,408.84x = 80,426,421,121.10
  5. Step 5: Solve for x
    x = 80,426,421,121.10/314,408.84
  6. Step 6: Final answer
    x = 255,802.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.