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Finding the Fourth Proportional to 585,535.50, 808,039.56 and 317,263.50

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Solution

The fourth proportional to 585,535.50, 808,039.56 and 317,263.50 is: 437,823.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,535.50 : 808,039.56 = 317,263.50 : x
  2. Step 2: Convert to fraction form
    585,535.50/808,039.56 = 317,263.50/x
  3. Step 3: Cross multiply
    585,535.50x = 808,039.56 × 317,263.50
  4. Step 4: Simplify right side
    585,535.50x = 256,361,458,944.06
  5. Step 5: Solve for x
    x = 256,361,458,944.06/585,535.50
  6. Step 6: Final answer
    x = 437,823.94

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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.