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Finding the Fourth Proportional to 479,412.04, 661,590.56 and 264,558.32

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Solution

The fourth proportional to 479,412.04, 661,590.56 and 264,558.32 is: 365,091.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,412.04 : 661,590.56 = 264,558.32 : x
  2. Step 2: Convert to fraction form
    479,412.04/661,590.56 = 264,558.32/x
  3. Step 3: Cross multiply
    479,412.04x = 661,590.56 × 264,558.32
  4. Step 4: Simplify right side
    479,412.04x = 175,029,287,081.46
  5. Step 5: Solve for x
    x = 175,029,287,081.46/479,412.04
  6. Step 6: Final answer
    x = 365,091.55

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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.