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Finding the Fourth Proportional to 561,567.70, 840,601.95 and 404,103.70

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Solution

The fourth proportional to 561,567.70, 840,601.95 and 404,103.70 is: 604,896.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,567.70 : 840,601.95 = 404,103.70 : x
  2. Step 2: Convert to fraction form
    561,567.70/840,601.95 = 404,103.70/x
  3. Step 3: Cross multiply
    561,567.70x = 840,601.95 × 404,103.70
  4. Step 4: Simplify right side
    561,567.70x = 339,690,358,222.22
  5. Step 5: Solve for x
    x = 339,690,358,222.22/561,567.70
  6. Step 6: Final answer
    x = 604,896.54

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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.