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Finding the Fourth Proportional to 450,523.86, 675,714.71 and 210,804.06

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Solution

The fourth proportional to 450,523.86, 675,714.71 and 210,804.06 is: 316,172.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,523.86 : 675,714.71 = 210,804.06 : x
  2. Step 2: Convert to fraction form
    450,523.86/675,714.71 = 210,804.06/x
  3. Step 3: Cross multiply
    450,523.86x = 675,714.71 × 210,804.06
  4. Step 4: Simplify right side
    450,523.86x = 142,443,403,215.70
  5. Step 5: Solve for x
    x = 142,443,403,215.70/450,523.86
  6. Step 6: Final answer
    x = 316,172.83

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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.