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Finding the Fourth Proportional to 581,153.96, 873,043.20 and 344,651.76

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Solution

The fourth proportional to 581,153.96, 873,043.20 and 344,651.76 is: 517,755.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,153.96 : 873,043.20 = 344,651.76 : x
  2. Step 2: Convert to fraction form
    581,153.96/873,043.20 = 344,651.76/x
  3. Step 3: Cross multiply
    581,153.96x = 873,043.20 × 344,651.76
  4. Step 4: Simplify right side
    581,153.96x = 300,895,875,436.03
  5. Step 5: Solve for x
    x = 300,895,875,436.03/581,153.96
  6. Step 6: Final answer
    x = 517,755.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.