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Finding the Fourth Proportional to 671,995.42, 927,353.27 and 370,189.42

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Solution

The fourth proportional to 671,995.42, 927,353.27 and 370,189.42 is: 510,861.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,995.42 : 927,353.27 = 370,189.42 : x
  2. Step 2: Convert to fraction form
    671,995.42/927,353.27 = 370,189.42/x
  3. Step 3: Cross multiply
    671,995.42x = 927,353.27 × 370,189.42
  4. Step 4: Simplify right side
    671,995.42x = 343,296,364,987.07
  5. Step 5: Solve for x
    x = 343,296,364,987.07/671,995.42
  6. Step 6: Final answer
    x = 510,861.17

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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.