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Finding the Fourth Proportional to 504,374.28, 696,032.31 and 274,927.38

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Solution

The fourth proportional to 504,374.28, 696,032.31 and 274,927.38 is: 379,397.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,374.28 : 696,032.31 = 274,927.38 : x
  2. Step 2: Convert to fraction form
    504,374.28/696,032.31 = 274,927.38/x
  3. Step 3: Cross multiply
    504,374.28x = 696,032.31 × 274,927.38
  4. Step 4: Simplify right side
    504,374.28x = 191,358,339,383.65
  5. Step 5: Solve for x
    x = 191,358,339,383.65/504,374.28
  6. Step 6: Final answer
    x = 379,397.50

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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.