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Finding the Fourth Proportional to 612,975.44, 845,884.68 and 341,034.32

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Solution

The fourth proportional to 612,975.44, 845,884.68 and 341,034.32 is: 470,615.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,975.44 : 845,884.68 = 341,034.32 : x
  2. Step 2: Convert to fraction form
    612,975.44/845,884.68 = 341,034.32/x
  3. Step 3: Cross multiply
    612,975.44x = 845,884.68 × 341,034.32
  4. Step 4: Simplify right side
    612,975.44x = 288,475,706,642.22
  5. Step 5: Solve for x
    x = 288,475,706,642.22/612,975.44
  6. Step 6: Final answer
    x = 470,615.44

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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.