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Finding the Fourth Proportional to 501,510.69, 692,096.94 and 275,156.19

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Solution

The fourth proportional to 501,510.69, 692,096.94 and 275,156.19 is: 379,722.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,510.69 : 692,096.94 = 275,156.19 : x
  2. Step 2: Convert to fraction form
    501,510.69/692,096.94 = 275,156.19/x
  3. Step 3: Cross multiply
    501,510.69x = 692,096.94 × 275,156.19
  4. Step 4: Simplify right side
    501,510.69x = 190,434,757,121.06
  5. Step 5: Solve for x
    x = 190,434,757,121.06/501,510.69
  6. Step 6: Final answer
    x = 379,722.23

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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.