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Finding the Fourth Proportional to 612,812.44, 845,335.80 and 367,733.80

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Solution

The fourth proportional to 612,812.44, 845,335.80 and 367,733.80 is: 507,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,812.44 : 845,335.80 = 367,733.80 : x
  2. Step 2: Convert to fraction form
    612,812.44/845,335.80 = 367,733.80/x
  3. Step 3: Cross multiply
    612,812.44x = 845,335.80 × 367,733.80
  4. Step 4: Simplify right side
    612,812.44x = 310,858,546,010.04
  5. Step 5: Solve for x
    x = 310,858,546,010.04/612,812.44
  6. Step 6: Final answer
    x = 507,265.40

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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.