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Finding the Fourth Proportional to 362,505.96, 500,192.27 and 209,488.07

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Solution

The fourth proportional to 362,505.96, 500,192.27 and 209,488.07 is: 289,055.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,505.96 : 500,192.27 = 209,488.07 : x
  2. Step 2: Convert to fraction form
    362,505.96/500,192.27 = 209,488.07/x
  3. Step 3: Cross multiply
    362,505.96x = 500,192.27 × 209,488.07
  4. Step 4: Simplify right side
    362,505.96x = 104,784,313,271.22
  5. Step 5: Solve for x
    x = 104,784,313,271.22/362,505.96
  6. Step 6: Final answer
    x = 289,055.42

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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.