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Finding the Fourth Proportional to 585,288.96, 807,700.48 and 317,016.96

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Solution

The fourth proportional to 585,288.96, 807,700.48 and 317,016.96 is: 437,484.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,288.96 : 807,700.48 = 317,016.96 : x
  2. Step 2: Convert to fraction form
    585,288.96/807,700.48 = 317,016.96/x
  3. Step 3: Cross multiply
    585,288.96x = 807,700.48 × 317,016.96
  4. Step 4: Simplify right side
    585,288.96x = 256,054,750,760.14
  5. Step 5: Solve for x
    x = 256,054,750,760.14/585,288.96
  6. Step 6: Final answer
    x = 437,484.33

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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.