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Finding the Fourth Proportional to 670,482.56, 925,265.94 and 368,676.56

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Solution

The fourth proportional to 670,482.56, 925,265.94 and 368,676.56 is: 508,773.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,482.56 : 925,265.94 = 368,676.56 : x
  2. Step 2: Convert to fraction form
    670,482.56/925,265.94 = 368,676.56/x
  3. Step 3: Cross multiply
    670,482.56x = 925,265.94 × 368,676.56
  4. Step 4: Simplify right side
    670,482.56x = 341,123,864,774.99
  5. Step 5: Solve for x
    x = 341,123,864,774.99/670,482.56
  6. Step 6: Final answer
    x = 508,773.66

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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.