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Finding the Fourth Proportional to 351,303.84, 485,033.43 and 236,752.83

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Solution

The fourth proportional to 351,303.84, 485,033.43 and 236,752.83 is: 326,876.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,303.84 : 485,033.43 = 236,752.83 : x
  2. Step 2: Convert to fraction form
    351,303.84/485,033.43 = 236,752.83/x
  3. Step 3: Cross multiply
    351,303.84x = 485,033.43 × 236,752.83
  4. Step 4: Simplify right side
    351,303.84x = 114,833,037,197.11
  5. Step 5: Solve for x
    x = 114,833,037,197.11/351,303.84
  6. Step 6: Final answer
    x = 326,876.69

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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.