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Finding the Fourth Proportional to 608,873.55, 853,822.65 and 608,873.55

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Solution

The fourth proportional to 608,873.55, 853,822.65 and 608,873.55 is: 853,822.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,873.55 : 853,822.65 = 608,873.55 : x
  2. Step 2: Convert to fraction form
    608,873.55/853,822.65 = 608,873.55/x
  3. Step 3: Cross multiply
    608,873.55x = 853,822.65 × 608,873.55
  4. Step 4: Simplify right side
    608,873.55x = 519,870,027,975.91
  5. Step 5: Solve for x
    x = 519,870,027,975.91/608,873.55
  6. Step 6: Final answer
    x = 853,822.65

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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.