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Finding the Fourth Proportional to 671,896.69, 927,217.43 and 370,090.69

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Solution

The fourth proportional to 671,896.69, 927,217.43 and 370,090.69 is: 510,725.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,896.69 : 927,217.43 = 370,090.69 : x
  2. Step 2: Convert to fraction form
    671,896.69/927,217.43 = 370,090.69/x
  3. Step 3: Cross multiply
    671,896.69x = 927,217.43 × 370,090.69
  4. Step 4: Simplify right side
    671,896.69x = 343,154,535,668.07
  5. Step 5: Solve for x
    x = 343,154,535,668.07/671,896.69
  6. Step 6: Final answer
    x = 510,725.15

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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.