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Finding the Fourth Proportional to 670,855.39, 925,779.74 and 364,931.04

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Solution

The fourth proportional to 670,855.39, 925,779.74 and 364,931.04 is: 503,604.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,855.39 : 925,779.74 = 364,931.04 : x
  2. Step 2: Convert to fraction form
    670,855.39/925,779.74 = 364,931.04/x
  3. Step 3: Cross multiply
    670,855.39x = 925,779.74 × 364,931.04
  4. Step 4: Simplify right side
    670,855.39x = 337,845,768,825.57
  5. Step 5: Solve for x
    x = 337,845,768,825.57/670,855.39
  6. Step 6: Final answer
    x = 503,604.46

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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.