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Finding the Fourth Proportional to 637,453.87, 956,284.65 and 188,220.14

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Solution

The fourth proportional to 637,453.87, 956,284.65 and 188,220.14 is: 282,360.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,453.87 : 956,284.65 = 188,220.14 : x
  2. Step 2: Convert to fraction form
    637,453.87/956,284.65 = 188,220.14/x
  3. Step 3: Cross multiply
    637,453.87x = 956,284.65 × 188,220.14
  4. Step 4: Simplify right side
    637,453.87x = 179,992,029,507.50
  5. Step 5: Solve for x
    x = 179,992,029,507.50/637,453.87
  6. Step 6: Final answer
    x = 282,360.87

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Double scale
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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.