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Finding the Fourth Proportional to 350,571.63, 484,606.10 and 312,706.46

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Solution

The fourth proportional to 350,571.63, 484,606.10 and 312,706.46 is: 432,263.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,571.63 : 484,606.10 = 312,706.46 : x
  2. Step 2: Convert to fraction form
    350,571.63/484,606.10 = 312,706.46/x
  3. Step 3: Cross multiply
    350,571.63x = 484,606.10 × 312,706.46
  4. Step 4: Simplify right side
    350,571.63x = 151,539,458,025.41
  5. Step 5: Solve for x
    x = 151,539,458,025.41/350,571.63
  6. Step 6: Final answer
    x = 432,263.89

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1.5x scale

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.