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Finding the Fourth Proportional to 882,834, 1,218,226.68 and 495,560.76

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Solution

The fourth proportional to 882,834, 1,218,226.68 and 495,560.76 is: 683,826.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,834 : 1,218,226.68 = 495,560.76 : x
  2. Step 2: Convert to fraction form
    882,834/1,218,226.68 = 495,560.76/x
  3. Step 3: Cross multiply
    882,834x = 1,218,226.68 × 495,560.76
  4. Step 4: Simplify right side
    882,834x = 603,705,339,393.08
  5. Step 5: Solve for x
    x = 603,705,339,393.08/882,834
  6. Step 6: Final answer
    x = 683,826.56

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1.5x scale

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.