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Finding the Fourth Proportional to 504,931.46, 696,801.50 and 275,485.40

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Solution

The fourth proportional to 504,931.46, 696,801.50 and 275,485.40 is: 380,167.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,931.46 : 696,801.50 = 275,485.40 : x
  2. Step 2: Convert to fraction form
    504,931.46/696,801.50 = 275,485.40/x
  3. Step 3: Cross multiply
    504,931.46x = 696,801.50 × 275,485.40
  4. Step 4: Simplify right side
    504,931.46x = 191,958,639,948.10
  5. Step 5: Solve for x
    x = 191,958,639,948.10/504,931.46
  6. Step 6: Final answer
    x = 380,167.72

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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.