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Finding the Fourth Proportional to 585,364.16, 807,802.56 and 317,092.16

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Solution

The fourth proportional to 585,364.16, 807,802.56 and 317,092.16 is: 437,587.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,364.16 : 807,802.56 = 317,092.16 : x
  2. Step 2: Convert to fraction form
    585,364.16/807,802.56 = 317,092.16/x
  3. Step 3: Cross multiply
    585,364.16x = 807,802.56 × 317,092.16
  4. Step 4: Simplify right side
    585,364.16x = 256,147,858,603.93
  5. Step 5: Solve for x
    x = 256,147,858,603.93/585,364.16
  6. Step 6: Final answer
    x = 437,587.19

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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.