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Finding the Fourth Proportional to 230,626.40, 345,939.60 and 183,970.40

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Solution

The fourth proportional to 230,626.40, 345,939.60 and 183,970.40 is: 275,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,626.40 : 345,939.60 = 183,970.40 : x
  2. Step 2: Convert to fraction form
    230,626.40/345,939.60 = 183,970.40/x
  3. Step 3: Cross multiply
    230,626.40x = 345,939.60 × 183,970.40
  4. Step 4: Simplify right side
    230,626.40x = 63,642,646,587.84
  5. Step 5: Solve for x
    x = 63,642,646,587.84/230,626.40
  6. Step 6: Final answer
    x = 275,955.60

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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.