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Finding the Fourth Proportional to 359,497.23, 496,285.95 and 223,574.97

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Solution

The fourth proportional to 359,497.23, 496,285.95 and 223,574.97 is: 308,645.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,497.23 : 496,285.95 = 223,574.97 : x
  2. Step 2: Convert to fraction form
    359,497.23/496,285.95 = 223,574.97/x
  3. Step 3: Cross multiply
    359,497.23x = 496,285.95 × 223,574.97
  4. Step 4: Simplify right side
    359,497.23x = 110,957,116,382.67
  5. Step 5: Solve for x
    x = 110,957,116,382.67/359,497.23
  6. Step 6: Final answer
    x = 308,645.26

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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.