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Finding the Fourth Proportional to 477,016.53, 715,549.31 and 122,033.63

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Solution

The fourth proportional to 477,016.53, 715,549.31 and 122,033.63 is: 183,056.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,016.53 : 715,549.31 = 122,033.63 : x
  2. Step 2: Convert to fraction form
    477,016.53/715,549.31 = 122,033.63/x
  3. Step 3: Cross multiply
    477,016.53x = 715,549.31 × 122,033.63
  4. Step 4: Simplify right side
    477,016.53x = 87,321,079,133.13
  5. Step 5: Solve for x
    x = 87,321,079,133.13/477,016.53
  6. Step 6: Final answer
    x = 183,056.72

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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.