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Finding the Fourth Proportional to 351,312.27, 484,810.53 and 190,167.27

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Solution

The fourth proportional to 351,312.27, 484,810.53 and 190,167.27 is: 262,430.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,312.27 : 484,810.53 = 190,167.27 : x
  2. Step 2: Convert to fraction form
    351,312.27/484,810.53 = 190,167.27/x
  3. Step 3: Cross multiply
    351,312.27x = 484,810.53 × 190,167.27
  4. Step 4: Simplify right side
    351,312.27x = 92,195,092,426.19
  5. Step 5: Solve for x
    x = 92,195,092,426.19/351,312.27
  6. Step 6: Final answer
    x = 262,430.61

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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.