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Finding the Fourth Proportional to 560,790.48, 773,890.12 and 359,586

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Solution

The fourth proportional to 560,790.48, 773,890.12 and 359,586 is: 496,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,790.48 : 773,890.12 = 359,586 : x
  2. Step 2: Convert to fraction form
    560,790.48/773,890.12 = 359,586/x
  3. Step 3: Cross multiply
    560,790.48x = 773,890.12 × 359,586
  4. Step 4: Simplify right side
    560,790.48x = 278,280,052,690.32
  5. Step 5: Solve for x
    x = 278,280,052,690.32/560,790.48
  6. Step 6: Final answer
    x = 496,228.20

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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.