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Finding the Fourth Proportional to 295,465.84, 407,737.50 and 168,138.64

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Solution

The fourth proportional to 295,465.84, 407,737.50 and 168,138.64 is: 232,028.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,465.84 : 407,737.50 = 168,138.64 : x
  2. Step 2: Convert to fraction form
    295,465.84/407,737.50 = 168,138.64/x
  3. Step 3: Cross multiply
    295,465.84x = 407,737.50 × 168,138.64
  4. Step 4: Simplify right side
    295,465.84x = 68,556,428,727.00
  5. Step 5: Solve for x
    x = 68,556,428,727.00/295,465.84
  6. Step 6: Final answer
    x = 232,028.27

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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.