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Finding the Fourth Proportional to 504,746.34, 696,548.61 and 289,900.32

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Solution

The fourth proportional to 504,746.34, 696,548.61 and 289,900.32 is: 400,061.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,746.34 : 696,548.61 = 289,900.32 : x
  2. Step 2: Convert to fraction form
    504,746.34/696,548.61 = 289,900.32/x
  3. Step 3: Cross multiply
    504,746.34x = 696,548.61 × 289,900.32
  4. Step 4: Simplify right side
    504,746.34x = 201,929,664,934.56
  5. Step 5: Solve for x
    x = 201,929,664,934.56/504,746.34
  6. Step 6: Final answer
    x = 400,061.67

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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.