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Finding the Fourth Proportional to 339,470.93, 468,477.69 and 186,518.66

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Solution

The fourth proportional to 339,470.93, 468,477.69 and 186,518.66 is: 257,400.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,470.93 : 468,477.69 = 186,518.66 : x
  2. Step 2: Convert to fraction form
    339,470.93/468,477.69 = 186,518.66/x
  3. Step 3: Cross multiply
    339,470.93x = 468,477.69 × 186,518.66
  4. Step 4: Simplify right side
    339,470.93x = 87,379,828,636.31
  5. Step 5: Solve for x
    x = 87,379,828,636.31/339,470.93
  6. Step 6: Final answer
    x = 257,400.04

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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.