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Finding the Fourth Proportional to 406,673.80, 610,039.86 and 122,341.93

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Solution

The fourth proportional to 406,673.80, 610,039.86 and 122,341.93 is: 183,521.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,673.80 : 610,039.86 = 122,341.93 : x
  2. Step 2: Convert to fraction form
    406,673.80/610,039.86 = 122,341.93/x
  3. Step 3: Cross multiply
    406,673.80x = 610,039.86 × 122,341.93
  4. Step 4: Simplify right side
    406,673.80x = 74,633,451,865.45
  5. Step 5: Solve for x
    x = 74,633,451,865.45/406,673.80
  6. Step 6: Final answer
    x = 183,521.66

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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.