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Finding the Fourth Proportional to 413,267.22, 620,003.79 and 117,779.22

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Solution

The fourth proportional to 413,267.22, 620,003.79 and 117,779.22 is: 176,698.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,267.22 : 620,003.79 = 117,779.22 : x
  2. Step 2: Convert to fraction form
    413,267.22/620,003.79 = 117,779.22/x
  3. Step 3: Cross multiply
    413,267.22x = 620,003.79 × 117,779.22
  4. Step 4: Simplify right side
    413,267.22x = 73,023,562,783.24
  5. Step 5: Solve for x
    x = 73,023,562,783.24/413,267.22
  6. Step 6: Final answer
    x = 176,698.17

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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.