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Finding the Fourth Proportional to 406,869.04, 610,233.88 and 107,352.76

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Solution

The fourth proportional to 406,869.04, 610,233.88 and 107,352.76 is: 161,010.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,869.04 : 610,233.88 = 107,352.76 : x
  2. Step 2: Convert to fraction form
    406,869.04/610,233.88 = 107,352.76/x
  3. Step 3: Cross multiply
    406,869.04x = 610,233.88 × 107,352.76
  4. Step 4: Simplify right side
    406,869.04x = 65,510,291,263.51
  5. Step 5: Solve for x
    x = 65,510,291,263.51/406,869.04
  6. Step 6: Final answer
    x = 161,010.75

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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.