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Finding the Fourth Proportional to 670,533.15, 925,330.74 and 364,609.71

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Solution

The fourth proportional to 670,533.15, 925,330.74 and 364,609.71 is: 503,158.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,533.15 : 925,330.74 = 364,609.71 : x
  2. Step 2: Convert to fraction form
    670,533.15/925,330.74 = 364,609.71/x
  3. Step 3: Cross multiply
    670,533.15x = 925,330.74 × 364,609.71
  4. Step 4: Simplify right side
    670,533.15x = 337,384,572,765.49
  5. Step 5: Solve for x
    x = 337,384,572,765.49/670,533.15
  6. Step 6: Final answer
    x = 503,158.68

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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.