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Finding the Fourth Proportional to 423,907.22, 584,847.24 and 262,703.45

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Solution

The fourth proportional to 423,907.22, 584,847.24 and 262,703.45 is: 362,441.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,907.22 : 584,847.24 = 262,703.45 : x
  2. Step 2: Convert to fraction form
    423,907.22/584,847.24 = 262,703.45/x
  3. Step 3: Cross multiply
    423,907.22x = 584,847.24 × 262,703.45
  4. Step 4: Simplify right side
    423,907.22x = 153,641,387,670.98
  5. Step 5: Solve for x
    x = 153,641,387,670.98/423,907.22
  6. Step 6: Final answer
    x = 362,441.07

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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.