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Finding the Fourth Proportional to 346,448.72, 477,954.60 and 233,074.64

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Solution

The fourth proportional to 346,448.72, 477,954.60 and 233,074.64 is: 321,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,448.72 : 477,954.60 = 233,074.64 : x
  2. Step 2: Convert to fraction form
    346,448.72/477,954.60 = 233,074.64/x
  3. Step 3: Cross multiply
    346,448.72x = 477,954.60 × 233,074.64
  4. Step 4: Simplify right side
    346,448.72x = 111,399,096,331.34
  5. Step 5: Solve for x
    x = 111,399,096,331.34/346,448.72
  6. Step 6: Final answer
    x = 321,545.70

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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.