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Finding the Fourth Proportional to 607,258.60, 909,093.66 and 581,277.16

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Solution

The fourth proportional to 607,258.60, 909,093.66 and 581,277.16 is: 870,198.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,258.60 : 909,093.66 = 581,277.16 : x
  2. Step 2: Convert to fraction form
    607,258.60/909,093.66 = 581,277.16/x
  3. Step 3: Cross multiply
    607,258.60x = 909,093.66 × 581,277.16
  4. Step 4: Simplify right side
    607,258.60x = 528,435,380,858.81
  5. Step 5: Solve for x
    x = 528,435,380,858.81/607,258.60
  6. Step 6: Final answer
    x = 870,198.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.