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Finding the Fourth Proportional to 333,477.49, 459,228.55 and 289,850.49

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Solution

The fourth proportional to 333,477.49, 459,228.55 and 289,850.49 is: 399,150.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,477.49 : 459,228.55 = 289,850.49 : x
  2. Step 2: Convert to fraction form
    333,477.49/459,228.55 = 289,850.49/x
  3. Step 3: Cross multiply
    333,477.49x = 459,228.55 × 289,850.49
  4. Step 4: Simplify right side
    333,477.49x = 133,107,620,239.49
  5. Step 5: Solve for x
    x = 133,107,620,239.49/333,477.49
  6. Step 6: Final answer
    x = 399,150.24

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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.