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Finding the Fourth Proportional to 671,893.79, 927,214.71 and 365,969.22

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Solution

The fourth proportional to 671,893.79, 927,214.71 and 365,969.22 is: 505,038.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,893.79 : 927,214.71 = 365,969.22 : x
  2. Step 2: Convert to fraction form
    671,893.79/927,214.71 = 365,969.22/x
  3. Step 3: Cross multiply
    671,893.79x = 927,214.71 × 365,969.22
  4. Step 4: Simplify right side
    671,893.79x = 339,332,044,191.23
  5. Step 5: Solve for x
    x = 339,332,044,191.23/671,893.79
  6. Step 6: Final answer
    x = 505,038.22

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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.