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Finding the Fourth Proportional to 884,516.92, 1,326,518.80 and 344,652.77

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Solution

The fourth proportional to 884,516.92, 1,326,518.80 and 344,652.77 is: 516,879.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,516.92 : 1,326,518.80 = 344,652.77 : x
  2. Step 2: Convert to fraction form
    884,516.92/1,326,518.80 = 344,652.77/x
  3. Step 3: Cross multiply
    884,516.92x = 1,326,518.80 × 344,652.77
  4. Step 4: Simplify right side
    884,516.92x = 457,188,378,877.08
  5. Step 5: Solve for x
    x = 457,188,378,877.08/884,516.92
  6. Step 6: Final answer
    x = 516,879.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.