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Finding the Fourth Proportional to 673,594.66, 929,237.94 and 455,879.32

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Solution

The fourth proportional to 673,594.66, 929,237.94 and 455,879.32 is: 628,895.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,594.66 : 929,237.94 = 455,879.32 : x
  2. Step 2: Convert to fraction form
    673,594.66/929,237.94 = 455,879.32/x
  3. Step 3: Cross multiply
    673,594.66x = 929,237.94 × 455,879.32
  4. Step 4: Simplify right side
    673,594.66x = 423,620,360,205.40
  5. Step 5: Solve for x
    x = 423,620,360,205.40/673,594.66
  6. Step 6: Final answer
    x = 628,895.07

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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.