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Finding the Fourth Proportional to 433,800.16, 649,852.77 and 298,840.39

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Solution

The fourth proportional to 433,800.16, 649,852.77 and 298,840.39 is: 447,676.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,800.16 : 649,852.77 = 298,840.39 : x
  2. Step 2: Convert to fraction form
    433,800.16/649,852.77 = 298,840.39/x
  3. Step 3: Cross multiply
    433,800.16x = 649,852.77 × 298,840.39
  4. Step 4: Simplify right side
    433,800.16x = 194,202,254,725.40
  5. Step 5: Solve for x
    x = 194,202,254,725.40/433,800.16
  6. Step 6: Final answer
    x = 447,676.77

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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.