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Finding the Fourth Proportional to 670,415.67, 925,173.54 and 368,609.67

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Solution

The fourth proportional to 670,415.67, 925,173.54 and 368,609.67 is: 508,681.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,415.67 : 925,173.54 = 368,609.67 : x
  2. Step 2: Convert to fraction form
    670,415.67/925,173.54 = 368,609.67/x
  3. Step 3: Cross multiply
    670,415.67x = 925,173.54 × 368,609.67
  4. Step 4: Simplify right side
    670,415.67x = 341,027,913,272.13
  5. Step 5: Solve for x
    x = 341,027,913,272.13/670,415.67
  6. Step 6: Final answer
    x = 508,681.30

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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.