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Finding the Fourth Proportional to 435,571.76, 601,184.04 and 313,390.64

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Solution

The fourth proportional to 435,571.76, 601,184.04 and 313,390.64 is: 432,547.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,571.76 : 601,184.04 = 313,390.64 : x
  2. Step 2: Convert to fraction form
    435,571.76/601,184.04 = 313,390.64/x
  3. Step 3: Cross multiply
    435,571.76x = 601,184.04 × 313,390.64
  4. Step 4: Simplify right side
    435,571.76x = 188,405,451,053.39
  5. Step 5: Solve for x
    x = 188,405,451,053.39/435,571.76
  6. Step 6: Final answer
    x = 432,547.44

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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.