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Finding the Fourth Proportional to 567,873.59, 783,668.00 and 309,756.08

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Solution

The fourth proportional to 567,873.59, 783,668.00 and 309,756.08 is: 427,464.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,873.59 : 783,668.00 = 309,756.08 : x
  2. Step 2: Convert to fraction form
    567,873.59/783,668.00 = 309,756.08/x
  3. Step 3: Cross multiply
    567,873.59x = 783,668.00 × 309,756.08
  4. Step 4: Simplify right side
    567,873.59x = 242,745,922,234.32
  5. Step 5: Solve for x
    x = 242,745,922,234.32/567,873.59
  6. Step 6: Final answer
    x = 427,464.72

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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.