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Finding the Fourth Proportional to 362,470.07, 500,153.09 and 209,478.72

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Solution

The fourth proportional to 362,470.07, 500,153.09 and 209,478.72 is: 289,048.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,470.07 : 500,153.09 = 209,478.72 : x
  2. Step 2: Convert to fraction form
    362,470.07/500,153.09 = 209,478.72/x
  3. Step 3: Cross multiply
    362,470.07x = 500,153.09 × 209,478.72
  4. Step 4: Simplify right side
    362,470.07x = 104,771,427,178.28
  5. Step 5: Solve for x
    x = 104,771,427,178.28/362,470.07
  6. Step 6: Final answer
    x = 289,048.49

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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.