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Finding the Fourth Proportional to 608,884.30, 853,837.70 and 608,884.30

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Solution

The fourth proportional to 608,884.30, 853,837.70 and 608,884.30 is: 853,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,884.30 : 853,837.70 = 608,884.30 : x
  2. Step 2: Convert to fraction form
    608,884.30/853,837.70 = 608,884.30/x
  3. Step 3: Cross multiply
    608,884.30x = 853,837.70 × 608,884.30
  4. Step 4: Simplify right side
    608,884.30x = 519,888,370,278.11
  5. Step 5: Solve for x
    x = 519,888,370,278.11/608,884.30
  6. Step 6: Final answer
    x = 853,837.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.