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Finding the Fourth Proportional to 468,645.70, 702,968.55 and 450,274.90

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Solution

The fourth proportional to 468,645.70, 702,968.55 and 450,274.90 is: 675,412.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,645.70 : 702,968.55 = 450,274.90 : x
  2. Step 2: Convert to fraction form
    468,645.70/702,968.55 = 450,274.90/x
  3. Step 3: Cross multiply
    468,645.70x = 702,968.55 × 450,274.90
  4. Step 4: Simplify right side
    468,645.70x = 316,529,093,554.40
  5. Step 5: Solve for x
    x = 316,529,093,554.40/468,645.70
  6. Step 6: Final answer
    x = 675,412.35

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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.