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Finding the Fourth Proportional to 504,801.72, 696,639.51 and 275,362.87

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Solution

The fourth proportional to 504,801.72, 696,639.51 and 275,362.87 is: 380,007.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,801.72 : 696,639.51 = 275,362.87 : x
  2. Step 2: Convert to fraction form
    504,801.72/696,639.51 = 275,362.87/x
  3. Step 3: Cross multiply
    504,801.72x = 696,639.51 × 275,362.87
  4. Step 4: Simplify right side
    504,801.72x = 191,828,654,828.99
  5. Step 5: Solve for x
    x = 191,828,654,828.99/504,801.72
  6. Step 6: Final answer
    x = 380,007.93

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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.