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Finding the Fourth Proportional to 359,528.75, 496,329.30 and 223,606.51

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Solution

The fourth proportional to 359,528.75, 496,329.30 and 223,606.51 is: 308,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,528.75 : 496,329.30 = 223,606.51 : x
  2. Step 2: Convert to fraction form
    359,528.75/496,329.30 = 223,606.51/x
  3. Step 3: Cross multiply
    359,528.75x = 496,329.30 × 223,606.51
  4. Step 4: Simplify right side
    359,528.75x = 110,982,461,465.71
  5. Step 5: Solve for x
    x = 110,982,461,465.71/359,528.75
  6. Step 6: Final answer
    x = 308,688.70

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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.