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Finding the Fourth Proportional to 587,127.72, 810,236.21 and 332,528.12

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Solution

The fourth proportional to 587,127.72, 810,236.21 and 332,528.12 is: 458,888.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,127.72 : 810,236.21 = 332,528.12 : x
  2. Step 2: Convert to fraction form
    587,127.72/810,236.21 = 332,528.12/x
  3. Step 3: Cross multiply
    587,127.72x = 810,236.21 × 332,528.12
  4. Step 4: Simplify right side
    587,127.72x = 269,426,317,953.40
  5. Step 5: Solve for x
    x = 269,426,317,953.40/587,127.72
  6. Step 6: Final answer
    x = 458,888.77

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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.