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Finding the Fourth Proportional to 362,595.05, 500,351.83 and 209,643.05

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Solution

The fourth proportional to 362,595.05, 500,351.83 and 209,643.05 is: 289,290.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,595.05 : 500,351.83 = 209,643.05 : x
  2. Step 2: Convert to fraction form
    362,595.05/500,351.83 = 209,643.05/x
  3. Step 3: Cross multiply
    362,595.05x = 500,351.83 × 209,643.05
  4. Step 4: Simplify right side
    362,595.05x = 104,895,284,441.05
  5. Step 5: Solve for x
    x = 104,895,284,441.05/362,595.05
  6. Step 6: Final answer
    x = 289,290.45

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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.