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Finding the Fourth Proportional to 359,582.37, 539,614.35 and 149,220.51

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Solution

The fourth proportional to 359,582.37, 539,614.35 and 149,220.51 is: 223,930.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,582.37 : 539,614.35 = 149,220.51 : x
  2. Step 2: Convert to fraction form
    359,582.37/539,614.35 = 149,220.51/x
  3. Step 3: Cross multiply
    359,582.37x = 539,614.35 × 149,220.51
  4. Step 4: Simplify right side
    359,582.37x = 80,521,528,510.32
  5. Step 5: Solve for x
    x = 80,521,528,510.32/359,582.37
  6. Step 6: Final answer
    x = 223,930.69

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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.