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Finding the Fourth Proportional to 557,181.74, 768,889.24 and 302,527.10

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Solution

The fourth proportional to 557,181.74, 768,889.24 and 302,527.10 is: 417,475.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,181.74 : 768,889.24 = 302,527.10 : x
  2. Step 2: Convert to fraction form
    557,181.74/768,889.24 = 302,527.10/x
  3. Step 3: Cross multiply
    557,181.74x = 768,889.24 × 302,527.10
  4. Step 4: Simplify right side
    557,181.74x = 232,609,827,397.64
  5. Step 5: Solve for x
    x = 232,609,827,397.64/557,181.74
  6. Step 6: Final answer
    x = 417,475.69

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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.