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Finding the Fourth Proportional to 357,935.51, 536,890.83 and 91,698.65

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Solution

The fourth proportional to 357,935.51, 536,890.83 and 91,698.65 is: 137,544.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,935.51 : 536,890.83 = 91,698.65 : x
  2. Step 2: Convert to fraction form
    357,935.51/536,890.83 = 91,698.65/x
  3. Step 3: Cross multiply
    357,935.51x = 536,890.83 × 91,698.65
  4. Step 4: Simplify right side
    357,935.51x = 49,232,164,308.38
  5. Step 5: Solve for x
    x = 49,232,164,308.38/357,935.51
  6. Step 6: Final answer
    x = 137,544.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.