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Finding the Fourth Proportional to 824,458.92, 1,236,678.42 and 464,656.92

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Solution

The fourth proportional to 824,458.92, 1,236,678.42 and 464,656.92 is: 696,979.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,458.92 : 1,236,678.42 = 464,656.92 : x
  2. Step 2: Convert to fraction form
    824,458.92/1,236,678.42 = 464,656.92/x
  3. Step 3: Cross multiply
    824,458.92x = 1,236,678.42 × 464,656.92
  4. Step 4: Simplify right side
    824,458.92x = 574,631,185,667.67
  5. Step 5: Solve for x
    x = 574,631,185,667.67/824,458.92
  6. Step 6: Final answer
    x = 696,979.77

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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.