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Finding the Fourth Proportional to 670,330.35, 925,061.91 and 364,407.33

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Solution

The fourth proportional to 670,330.35, 925,061.91 and 364,407.33 is: 502,885.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,330.35 : 925,061.91 = 364,407.33 : x
  2. Step 2: Convert to fraction form
    670,330.35/925,061.91 = 364,407.33/x
  3. Step 3: Cross multiply
    670,330.35x = 925,061.91 × 364,407.33
  4. Step 4: Simplify right side
    670,330.35x = 337,099,340,707.80
  5. Step 5: Solve for x
    x = 337,099,340,707.80/670,330.35
  6. Step 6: Final answer
    x = 502,885.39

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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.