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Finding the Fourth Proportional to 370,635.86, 555,318.50 and 248,828.27

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Solution

The fourth proportional to 370,635.86, 555,318.50 and 248,828.27 is: 372,815.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,635.86 : 555,318.50 = 248,828.27 : x
  2. Step 2: Convert to fraction form
    370,635.86/555,318.50 = 248,828.27/x
  3. Step 3: Cross multiply
    370,635.86x = 555,318.50 × 248,828.27
  4. Step 4: Simplify right side
    370,635.86x = 138,178,937,633.26
  5. Step 5: Solve for x
    x = 138,178,937,633.26/370,635.86
  6. Step 6: Final answer
    x = 372,815.89

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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.