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Finding the Fourth Proportional to 336,315.66, 464,143.95 and 185,443.98

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Solution

The fourth proportional to 336,315.66, 464,143.95 and 185,443.98 is: 255,928.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,315.66 : 464,143.95 = 185,443.98 : x
  2. Step 2: Convert to fraction form
    336,315.66/464,143.95 = 185,443.98/x
  3. Step 3: Cross multiply
    336,315.66x = 464,143.95 × 185,443.98
  4. Step 4: Simplify right side
    336,315.66x = 86,072,701,380.92
  5. Step 5: Solve for x
    x = 86,072,701,380.92/336,315.66
  6. Step 6: Final answer
    x = 255,928.32

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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.