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Finding the Fourth Proportional to 671,850.40, 927,118.56 and 417,196.12

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Solution

The fourth proportional to 671,850.40, 927,118.56 and 417,196.12 is: 575,708.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,850.40 : 927,118.56 = 417,196.12 : x
  2. Step 2: Convert to fraction form
    671,850.40/927,118.56 = 417,196.12/x
  3. Step 3: Cross multiply
    671,850.40x = 927,118.56 × 417,196.12
  4. Step 4: Simplify right side
    671,850.40x = 386,790,266,011.99
  5. Step 5: Solve for x
    x = 386,790,266,011.99/671,850.40
  6. Step 6: Final answer
    x = 575,708.92

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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.