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Finding the Fourth Proportional to 504,588.26, 696,354.10 and 289,737.38

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Solution

The fourth proportional to 504,588.26, 696,354.10 and 289,737.38 is: 399,850.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,588.26 : 696,354.10 = 289,737.38 : x
  2. Step 2: Convert to fraction form
    504,588.26/696,354.10 = 289,737.38/x
  3. Step 3: Cross multiply
    504,588.26x = 696,354.10 × 289,737.38
  4. Step 4: Simplify right side
    504,588.26x = 201,759,812,486.26
  5. Step 5: Solve for x
    x = 201,759,812,486.26/504,588.26
  6. Step 6: Final answer
    x = 399,850.39

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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.