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Finding the Fourth Proportional to 504,535.60, 696,264.58 and 275,091

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Solution

The fourth proportional to 504,535.60, 696,264.58 and 275,091 is: 379,628.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,535.60 : 696,264.58 = 275,091 : x
  2. Step 2: Convert to fraction form
    504,535.60/696,264.58 = 275,091/x
  3. Step 3: Cross multiply
    504,535.60x = 696,264.58 × 275,091
  4. Step 4: Simplify right side
    504,535.60x = 191,536,119,576.78
  5. Step 5: Solve for x
    x = 191,536,119,576.78/504,535.60
  6. Step 6: Final answer
    x = 379,628.55

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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.