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Finding the Fourth Proportional to 607,253.81, 909,883.71 and 207,676.58

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Solution

The fourth proportional to 607,253.81, 909,883.71 and 207,676.58 is: 311,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,253.81 : 909,883.71 = 207,676.58 : x
  2. Step 2: Convert to fraction form
    607,253.81/909,883.71 = 207,676.58/x
  3. Step 3: Cross multiply
    607,253.81x = 909,883.71 × 207,676.58
  4. Step 4: Simplify right side
    607,253.81x = 188,961,532,541.09
  5. Step 5: Solve for x
    x = 188,961,532,541.09/607,253.81
  6. Step 6: Final answer
    x = 311,173.90

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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.