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Finding the Fourth Proportional to 556,773.54, 768,349.46 and 302,124.72

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Solution

The fourth proportional to 556,773.54, 768,349.46 and 302,124.72 is: 416,933.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,773.54 : 768,349.46 = 302,124.72 : x
  2. Step 2: Convert to fraction form
    556,773.54/768,349.46 = 302,124.72/x
  3. Step 3: Cross multiply
    556,773.54x = 768,349.46 × 302,124.72
  4. Step 4: Simplify right side
    556,773.54x = 232,137,365,464.65
  5. Step 5: Solve for x
    x = 232,137,365,464.65/556,773.54
  6. Step 6: Final answer
    x = 416,933.19

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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.