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Finding the Fourth Proportional to 585,873, 808,504.74 and 317,601

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Solution

The fourth proportional to 585,873, 808,504.74 and 317,601 is: 438,289.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,873 : 808,504.74 = 317,601 : x
  2. Step 2: Convert to fraction form
    585,873/808,504.74 = 317,601/x
  3. Step 3: Cross multiply
    585,873x = 808,504.74 × 317,601
  4. Step 4: Simplify right side
    585,873x = 256,781,913,928.74
  5. Step 5: Solve for x
    x = 256,781,913,928.74/585,873
  6. Step 6: Final answer
    x = 438,289.38

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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.