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Finding the Fourth Proportional to 750,549.15, 1,035,750.06 and 406,379.16

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Solution

The fourth proportional to 750,549.15, 1,035,750.06 and 406,379.16 is: 560,799.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,549.15 : 1,035,750.06 = 406,379.16 : x
  2. Step 2: Convert to fraction form
    750,549.15/1,035,750.06 = 406,379.16/x
  3. Step 3: Cross multiply
    750,549.15x = 1,035,750.06 × 406,379.16
  4. Step 4: Simplify right side
    750,549.15x = 420,907,239,352.75
  5. Step 5: Solve for x
    x = 420,907,239,352.75/750,549.15
  6. Step 6: Final answer
    x = 560,799.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.