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Finding the Fourth Proportional to 641,596.46, 885,186.92 and 369,657.59

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Solution

The fourth proportional to 641,596.46, 885,186.92 and 369,657.59 is: 510,002.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,596.46 : 885,186.92 = 369,657.59 : x
  2. Step 2: Convert to fraction form
    641,596.46/885,186.92 = 369,657.59/x
  3. Step 3: Cross multiply
    641,596.46x = 885,186.92 × 369,657.59
  4. Step 4: Simplify right side
    641,596.46x = 327,216,057,272.50
  5. Step 5: Solve for x
    x = 327,216,057,272.50/641,596.46
  6. Step 6: Final answer
    x = 510,002.91

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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.