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Finding the Fourth Proportional to 336,878.08, 464,890.80 and 185,974

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Solution

The fourth proportional to 336,878.08, 464,890.80 and 185,974 is: 256,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,878.08 : 464,890.80 = 185,974 : x
  2. Step 2: Convert to fraction form
    336,878.08/464,890.80 = 185,974/x
  3. Step 3: Cross multiply
    336,878.08x = 464,890.80 × 185,974
  4. Step 4: Simplify right side
    336,878.08x = 86,457,601,639.20
  5. Step 5: Solve for x
    x = 86,457,601,639.20/336,878.08
  6. Step 6: Final answer
    x = 256,643.60

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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.