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Finding the Fourth Proportional to 483,300.81, 666,955.22 and 268,460.87

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Solution

The fourth proportional to 483,300.81, 666,955.22 and 268,460.87 is: 370,476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,300.81 : 666,955.22 = 268,460.87 : x
  2. Step 2: Convert to fraction form
    483,300.81/666,955.22 = 268,460.87/x
  3. Step 3: Cross multiply
    483,300.81x = 666,955.22 × 268,460.87
  4. Step 4: Simplify right side
    483,300.81x = 179,051,373,935.16
  5. Step 5: Solve for x
    x = 179,051,373,935.16/483,300.81
  6. Step 6: Final answer
    x = 370,476.05

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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.