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Finding the Fourth Proportional to 362,660.96, 500,328.72 and 209,671.04

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Solution

The fourth proportional to 362,660.96, 500,328.72 and 209,671.04 is: 289,263.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,660.96 : 500,328.72 = 209,671.04 : x
  2. Step 2: Convert to fraction form
    362,660.96/500,328.72 = 209,671.04/x
  3. Step 3: Cross multiply
    362,660.96x = 500,328.72 × 209,671.04
  4. Step 4: Simplify right side
    362,660.96x = 104,904,443,064.27
  5. Step 5: Solve for x
    x = 104,904,443,064.27/362,660.96
  6. Step 6: Final answer
    x = 289,263.13

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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.