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Finding the Fourth Proportional to 356,854.46, 492,465.47 and 195,708.10

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Solution

The fourth proportional to 356,854.46, 492,465.47 and 195,708.10 is: 270,080.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,854.46 : 492,465.47 = 195,708.10 : x
  2. Step 2: Convert to fraction form
    356,854.46/492,465.47 = 195,708.10/x
  3. Step 3: Cross multiply
    356,854.46x = 492,465.47 × 195,708.10
  4. Step 4: Simplify right side
    356,854.46x = 96,379,481,263.83
  5. Step 5: Solve for x
    x = 96,379,481,263.83/356,854.46
  6. Step 6: Final answer
    x = 270,080.64

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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.