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Finding the Fourth Proportional to 564,653.59, 778,879.87 and 335,059.90

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Solution

The fourth proportional to 564,653.59, 778,879.87 and 335,059.90 is: 462,179.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,653.59 : 778,879.87 = 335,059.90 : x
  2. Step 2: Convert to fraction form
    564,653.59/778,879.87 = 335,059.90/x
  3. Step 3: Cross multiply
    564,653.59x = 778,879.87 × 335,059.90
  4. Step 4: Simplify right side
    564,653.59x = 260,971,411,354.21
  5. Step 5: Solve for x
    x = 260,971,411,354.21/564,653.59
  6. Step 6: Final answer
    x = 462,179.67

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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.