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Finding the Fourth Proportional to 867,035.80, 1,300,605 and 334,559.62

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Solution

The fourth proportional to 867,035.80, 1,300,605 and 334,559.62 is: 501,859.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,035.80 : 1,300,605 = 334,559.62 : x
  2. Step 2: Convert to fraction form
    867,035.80/1,300,605 = 334,559.62/x
  3. Step 3: Cross multiply
    867,035.80x = 1,300,605 × 334,559.62
  4. Step 4: Simplify right side
    867,035.80x = 435,129,914,570.10
  5. Step 5: Solve for x
    x = 435,129,914,570.10/867,035.80
  6. Step 6: Final answer
    x = 501,859.22

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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.