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Finding the Fourth Proportional to 819,546, 1,130,890.44 and 456,935.44

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Solution

The fourth proportional to 819,546, 1,130,890.44 and 456,935.44 is: 630,524.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,546 : 1,130,890.44 = 456,935.44 : x
  2. Step 2: Convert to fraction form
    819,546/1,130,890.44 = 456,935.44/x
  3. Step 3: Cross multiply
    819,546x = 1,130,890.44 × 456,935.44
  4. Step 4: Simplify right side
    819,546x = 516,743,920,793.19
  5. Step 5: Solve for x
    x = 516,743,920,793.19/819,546
  6. Step 6: Final answer
    x = 630,524.61

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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.