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Finding the Fourth Proportional to 357,268.93, 493,013.03 and 212,080.93

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Solution

The fourth proportional to 357,268.93, 493,013.03 and 212,080.93 is: 292,660.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,268.93 : 493,013.03 = 212,080.93 : x
  2. Step 2: Convert to fraction form
    357,268.93/493,013.03 = 212,080.93/x
  3. Step 3: Cross multiply
    357,268.93x = 493,013.03 × 212,080.93
  4. Step 4: Simplify right side
    357,268.93x = 104,558,661,202.19
  5. Step 5: Solve for x
    x = 104,558,661,202.19/357,268.93
  6. Step 6: Final answer
    x = 292,660.94

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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.