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Finding the Fourth Proportional to 313,950.76, 433,412.58 and 242,169.64

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Solution

The fourth proportional to 313,950.76, 433,412.58 and 242,169.64 is: 334,317.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,950.76 : 433,412.58 = 242,169.64 : x
  2. Step 2: Convert to fraction form
    313,950.76/433,412.58 = 242,169.64/x
  3. Step 3: Cross multiply
    313,950.76x = 433,412.58 × 242,169.64
  4. Step 4: Simplify right side
    313,950.76x = 104,959,368,470.07
  5. Step 5: Solve for x
    x = 104,959,368,470.07/313,950.76
  6. Step 6: Final answer
    x = 334,317.93

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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.