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Finding the Fourth Proportional to 670,015.89, 924,247.67 and 411,713.37

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Solution

The fourth proportional to 670,015.89, 924,247.67 and 411,713.37 is: 567,934.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,015.89 : 924,247.67 = 411,713.37 : x
  2. Step 2: Convert to fraction form
    670,015.89/924,247.67 = 411,713.37/x
  3. Step 3: Cross multiply
    670,015.89x = 924,247.67 × 411,713.37
  4. Step 4: Simplify right side
    670,015.89x = 380,525,120,871.78
  5. Step 5: Solve for x
    x = 380,525,120,871.78/670,015.89
  6. Step 6: Final answer
    x = 567,934.47

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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.