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Finding the Fourth Proportional to 670,266.05, 925,907.02 and 609,729.89

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Solution

The fourth proportional to 670,266.05, 925,907.02 and 609,729.89 is: 842,282.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,266.05 : 925,907.02 = 609,729.89 : x
  2. Step 2: Convert to fraction form
    670,266.05/925,907.02 = 609,729.89/x
  3. Step 3: Cross multiply
    670,266.05x = 925,907.02 × 609,729.89
  4. Step 4: Simplify right side
    670,266.05x = 564,553,179,300.97
  5. Step 5: Solve for x
    x = 564,553,179,300.97/670,266.05
  6. Step 6: Final answer
    x = 842,282.23

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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.