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Finding the Fourth Proportional to 483,303.60, 666,940.56 and 268,457.52

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Solution

The fourth proportional to 483,303.60, 666,940.56 and 268,457.52 is: 370,461.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,303.60 : 666,940.56 = 268,457.52 : x
  2. Step 2: Convert to fraction form
    483,303.60/666,940.56 = 268,457.52/x
  3. Step 3: Cross multiply
    483,303.60x = 666,940.56 × 268,457.52
  4. Step 4: Simplify right side
    483,303.60x = 179,045,208,725.01
  5. Step 5: Solve for x
    x = 179,045,208,725.01/483,303.60
  6. Step 6: Final answer
    x = 370,461.15

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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.