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Finding the Fourth Proportional to 585,436.02, 807,902.49 and 317,164.02

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Solution

The fourth proportional to 585,436.02, 807,902.49 and 317,164.02 is: 437,686.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,436.02 : 807,902.49 = 317,164.02 : x
  2. Step 2: Convert to fraction form
    585,436.02/807,902.49 = 317,164.02/x
  3. Step 3: Cross multiply
    585,436.02x = 807,902.49 × 317,164.02
  4. Step 4: Simplify right side
    585,436.02x = 256,237,601,496.41
  5. Step 5: Solve for x
    x = 256,237,601,496.41/585,436.02
  6. Step 6: Final answer
    x = 437,686.77

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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.