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Finding the Fourth Proportional to 262,930.63, 363,019.44 and 155,535.16

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Solution

The fourth proportional to 262,930.63, 363,019.44 and 155,535.16 is: 214,742.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,930.63 : 363,019.44 = 155,535.16 : x
  2. Step 2: Convert to fraction form
    262,930.63/363,019.44 = 155,535.16/x
  3. Step 3: Cross multiply
    262,930.63x = 363,019.44 × 155,535.16
  4. Step 4: Simplify right side
    262,930.63x = 56,462,286,683.51
  5. Step 5: Solve for x
    x = 56,462,286,683.51/262,930.63
  6. Step 6: Final answer
    x = 214,742.14

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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.