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Finding the Fourth Proportional to 556,941.96, 768,580.74 and 302,293.26

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Solution

The fourth proportional to 556,941.96, 768,580.74 and 302,293.26 is: 417,165.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,941.96 : 768,580.74 = 302,293.26 : x
  2. Step 2: Convert to fraction form
    556,941.96/768,580.74 = 302,293.26/x
  3. Step 3: Cross multiply
    556,941.96x = 768,580.74 × 302,293.26
  4. Step 4: Simplify right side
    556,941.96x = 232,336,777,467.81
  5. Step 5: Solve for x
    x = 232,336,777,467.81/556,941.96
  6. Step 6: Final answer
    x = 417,165.15

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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.