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Finding the Fourth Proportional to 359,495.23, 496,283.19 and 223,572.97

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Solution

The fourth proportional to 359,495.23, 496,283.19 and 223,572.97 is: 308,642.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,495.23 : 496,283.19 = 223,572.97 : x
  2. Step 2: Convert to fraction form
    359,495.23/496,283.19 = 223,572.97/x
  3. Step 3: Cross multiply
    359,495.23x = 496,283.19 × 223,572.97
  4. Step 4: Simplify right side
    359,495.23x = 110,955,506,749.37
  5. Step 5: Solve for x
    x = 110,955,506,749.37/359,495.23
  6. Step 6: Final answer
    x = 308,642.50

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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.