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Finding the Fourth Proportional to 750,506.07, 1,035,697 and 406,341.95

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Solution

The fourth proportional to 750,506.07, 1,035,697 and 406,341.95 is: 560,751.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,506.07 : 1,035,697 = 406,341.95 : x
  2. Step 2: Convert to fraction form
    750,506.07/1,035,697 = 406,341.95/x
  3. Step 3: Cross multiply
    750,506.07x = 1,035,697 × 406,341.95
  4. Step 4: Simplify right side
    750,506.07x = 420,847,138,589.15
  5. Step 5: Solve for x
    x = 420,847,138,589.15/750,506.07
  6. Step 6: Final answer
    x = 560,751.15

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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.