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Finding the Fourth Proportional to 628,075.28, 866,747.99 and 341,597.45

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Solution

The fourth proportional to 628,075.28, 866,747.99 and 341,597.45 is: 471,406.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,075.28 : 866,747.99 = 341,597.45 : x
  2. Step 2: Convert to fraction form
    628,075.28/866,747.99 = 341,597.45/x
  3. Step 3: Cross multiply
    628,075.28x = 866,747.99 × 341,597.45
  4. Step 4: Simplify right side
    628,075.28x = 296,078,906,197.49
  5. Step 5: Solve for x
    x = 296,078,906,197.49/628,075.28
  6. Step 6: Final answer
    x = 471,406.72

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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.