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Finding the Fourth Proportional to 637,386.85, 956,234.70 and 188,097.77

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Solution

The fourth proportional to 637,386.85, 956,234.70 and 188,097.77 is: 282,192.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,386.85 : 956,234.70 = 188,097.77 : x
  2. Step 2: Convert to fraction form
    637,386.85/956,234.70 = 188,097.77/x
  3. Step 3: Cross multiply
    637,386.85x = 956,234.70 × 188,097.77
  4. Step 4: Simplify right side
    637,386.85x = 179,865,617,057.21
  5. Step 5: Solve for x
    x = 179,865,617,057.21/637,386.85
  6. Step 6: Final answer
    x = 282,192.23

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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.