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Finding the Fourth Proportional to 377,142.08, 520,450.11 and 205,063.45

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Solution

The fourth proportional to 377,142.08, 520,450.11 and 205,063.45 is: 282,984.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,142.08 : 520,450.11 = 205,063.45 : x
  2. Step 2: Convert to fraction form
    377,142.08/520,450.11 = 205,063.45/x
  3. Step 3: Cross multiply
    377,142.08x = 520,450.11 × 205,063.45
  4. Step 4: Simplify right side
    377,142.08x = 106,725,293,808.35
  5. Step 5: Solve for x
    x = 106,725,293,808.35/377,142.08
  6. Step 6: Final answer
    x = 282,984.32

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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.