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Finding the Fourth Proportional to 450,475.29, 675,934.27 and 210,605.60

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Solution

The fourth proportional to 450,475.29, 675,934.27 and 210,605.60 is: 316,011.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,475.29 : 675,934.27 = 210,605.60 : x
  2. Step 2: Convert to fraction form
    450,475.29/675,934.27 = 210,605.60/x
  3. Step 3: Cross multiply
    450,475.29x = 675,934.27 × 210,605.60
  4. Step 4: Simplify right side
    450,475.29x = 142,355,543,657.23
  5. Step 5: Solve for x
    x = 142,355,543,657.23/450,475.29
  6. Step 6: Final answer
    x = 316,011.88

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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.