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Finding the Fourth Proportional to 477,050.35, 715,602.66 and 135,467.05

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Solution

The fourth proportional to 477,050.35, 715,602.66 and 135,467.05 is: 203,208.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,050.35 : 715,602.66 = 135,467.05 : x
  2. Step 2: Convert to fraction form
    477,050.35/715,602.66 = 135,467.05/x
  3. Step 3: Cross multiply
    477,050.35x = 715,602.66 × 135,467.05
  4. Step 4: Simplify right side
    477,050.35x = 96,940,581,322.35
  5. Step 5: Solve for x
    x = 96,940,581,322.35/477,050.35
  6. Step 6: Final answer
    x = 203,208.28

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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.