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Finding the Fourth Proportional to 504,497.12, 696,205.58 and 289,650.29

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Solution

The fourth proportional to 504,497.12, 696,205.58 and 289,650.29 is: 399,717.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,497.12 : 696,205.58 = 289,650.29 : x
  2. Step 2: Convert to fraction form
    504,497.12/696,205.58 = 289,650.29/x
  3. Step 3: Cross multiply
    504,497.12x = 696,205.58 × 289,650.29
  4. Step 4: Simplify right side
    504,497.12x = 201,656,143,217.34
  5. Step 5: Solve for x
    x = 201,656,143,217.34/504,497.12
  6. Step 6: Final answer
    x = 399,717.14

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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.