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Finding the Fourth Proportional to 455,458.50, 683,604.36 and 230,973.84

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Solution

The fourth proportional to 455,458.50, 683,604.36 and 230,973.84 is: 346,672.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,458.50 : 683,604.36 = 230,973.84 : x
  2. Step 2: Convert to fraction form
    455,458.50/683,604.36 = 230,973.84/x
  3. Step 3: Cross multiply
    455,458.50x = 683,604.36 × 230,973.84
  4. Step 4: Simplify right side
    455,458.50x = 157,894,724,069.94
  5. Step 5: Solve for x
    x = 157,894,724,069.94/455,458.50
  6. Step 6: Final answer
    x = 346,672.03

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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.