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Finding the Fourth Proportional to 654,561.26, 903,288.84 and 368,075.24

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Solution

The fourth proportional to 654,561.26, 903,288.84 and 368,075.24 is: 507,940.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,561.26 : 903,288.84 = 368,075.24 : x
  2. Step 2: Convert to fraction form
    654,561.26/903,288.84 = 368,075.24/x
  3. Step 3: Cross multiply
    654,561.26x = 903,288.84 × 368,075.24
  4. Step 4: Simplify right side
    654,561.26x = 332,478,256,572.32
  5. Step 5: Solve for x
    x = 332,478,256,572.32/654,561.26
  6. Step 6: Final answer
    x = 507,940.63

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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.