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Finding the Fourth Proportional to 516,055.68, 712,203.84 and 301,299.84

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Solution

The fourth proportional to 516,055.68, 712,203.84 and 301,299.84 is: 415,821.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,055.68 : 712,203.84 = 301,299.84 : x
  2. Step 2: Convert to fraction form
    516,055.68/712,203.84 = 301,299.84/x
  3. Step 3: Cross multiply
    516,055.68x = 712,203.84 × 301,299.84
  4. Step 4: Simplify right side
    516,055.68x = 214,586,903,039.39
  5. Step 5: Solve for x
    x = 214,586,903,039.39/516,055.68
  6. Step 6: Final answer
    x = 415,821.22

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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.