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Finding the Fourth Proportional to 366,055.40, 505,339.90 and 230,164.10

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Solution

The fourth proportional to 366,055.40, 505,339.90 and 230,164.10 is: 317,741.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,055.40 : 505,339.90 = 230,164.10 : x
  2. Step 2: Convert to fraction form
    366,055.40/505,339.90 = 230,164.10/x
  3. Step 3: Cross multiply
    366,055.40x = 505,339.90 × 230,164.10
  4. Step 4: Simplify right side
    366,055.40x = 116,311,103,277.59
  5. Step 5: Solve for x
    x = 116,311,103,277.59/366,055.40
  6. Step 6: Final answer
    x = 317,741.80

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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.