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Finding the Fourth Proportional to 523,650.51, 785,520.90 and 144,571.32

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Solution

The fourth proportional to 523,650.51, 785,520.90 and 144,571.32 is: 216,869.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,650.51 : 785,520.90 = 144,571.32 : x
  2. Step 2: Convert to fraction form
    523,650.51/785,520.90 = 144,571.32/x
  3. Step 3: Cross multiply
    523,650.51x = 785,520.90 × 144,571.32
  4. Step 4: Simplify right side
    523,650.51x = 113,563,793,400.59
  5. Step 5: Solve for x
    x = 113,563,793,400.59/523,650.51
  6. Step 6: Final answer
    x = 216,869.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.