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Finding the Fourth Proportional to 290,571.48, 435,866.94 and 101,033.48

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Solution

The fourth proportional to 290,571.48, 435,866.94 and 101,033.48 is: 151,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,571.48 : 435,866.94 = 101,033.48 : x
  2. Step 2: Convert to fraction form
    290,571.48/435,866.94 = 101,033.48/x
  3. Step 3: Cross multiply
    290,571.48x = 435,866.94 × 101,033.48
  4. Step 4: Simplify right side
    290,571.48x = 44,037,152,403.07
  5. Step 5: Solve for x
    x = 44,037,152,403.07/290,571.48
  6. Step 6: Final answer
    x = 151,553.60

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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.