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Finding the Fourth Proportional to 468,479.53, 702,999.17 and 430,364.90

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Solution

The fourth proportional to 468,479.53, 702,999.17 and 430,364.90 is: 645,804.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,479.53 : 702,999.17 = 430,364.90 : x
  2. Step 2: Convert to fraction form
    468,479.53/702,999.17 = 430,364.90/x
  3. Step 3: Cross multiply
    468,479.53x = 702,999.17 × 430,364.90
  4. Step 4: Simplify right side
    468,479.53x = 302,546,168,716.68
  5. Step 5: Solve for x
    x = 302,546,168,716.68/468,479.53
  6. Step 6: Final answer
    x = 645,804.46

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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.