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Finding the Fourth Proportional to 456,893.04, 684,887.46 and 216,584.86

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Solution

The fourth proportional to 456,893.04, 684,887.46 and 216,584.86 is: 324,662.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,893.04 : 684,887.46 = 216,584.86 : x
  2. Step 2: Convert to fraction form
    456,893.04/684,887.46 = 216,584.86/x
  3. Step 3: Cross multiply
    456,893.04x = 684,887.46 × 216,584.86
  4. Step 4: Simplify right side
    456,893.04x = 148,336,254,639.86
  5. Step 5: Solve for x
    x = 148,336,254,639.86/456,893.04
  6. Step 6: Final answer
    x = 324,662.98

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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.