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Finding the Fourth Proportional to 538,338.37, 807,632.49 and 183,355.45

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Solution

The fourth proportional to 538,338.37, 807,632.49 and 183,355.45 is: 275,075.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,338.37 : 807,632.49 = 183,355.45 : x
  2. Step 2: Convert to fraction form
    538,338.37/807,632.49 = 183,355.45/x
  3. Step 3: Cross multiply
    538,338.37x = 807,632.49 × 183,355.45
  4. Step 4: Simplify right side
    538,338.37x = 148,083,818,638.57
  5. Step 5: Solve for x
    x = 148,083,818,638.57/538,338.37
  6. Step 6: Final answer
    x = 275,075.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.