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Finding the Fourth Proportional to 585,617.44, 808,152.48 and 317,345.44

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Solution

The fourth proportional to 585,617.44, 808,152.48 and 317,345.44 is: 437,936.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,617.44 : 808,152.48 = 317,345.44 : x
  2. Step 2: Convert to fraction form
    585,617.44/808,152.48 = 317,345.44/x
  3. Step 3: Cross multiply
    585,617.44x = 808,152.48 × 317,345.44
  4. Step 4: Simplify right side
    585,617.44x = 256,463,504,352.69
  5. Step 5: Solve for x
    x = 256,463,504,352.69/585,617.44
  6. Step 6: Final answer
    x = 437,936.93

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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.