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Finding the Fourth Proportional to 406,810.70, 610,106.70 and 170,104.40

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Solution

The fourth proportional to 406,810.70, 610,106.70 and 170,104.40 is: 255,110.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,810.70 : 610,106.70 = 170,104.40 : x
  2. Step 2: Convert to fraction form
    406,810.70/610,106.70 = 170,104.40/x
  3. Step 3: Cross multiply
    406,810.70x = 610,106.70 × 170,104.40
  4. Step 4: Simplify right side
    406,810.70x = 103,781,834,139.48
  5. Step 5: Solve for x
    x = 103,781,834,139.48/406,810.70
  6. Step 6: Final answer
    x = 255,110.88

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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.