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Finding the Fourth Proportional to 435,895.29, 601,803.86 and 345,615.93

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Solution

The fourth proportional to 435,895.29, 601,803.86 and 345,615.93 is: 477,162.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,895.29 : 601,803.86 = 345,615.93 : x
  2. Step 2: Convert to fraction form
    435,895.29/601,803.86 = 345,615.93/x
  3. Step 3: Cross multiply
    435,895.29x = 601,803.86 × 345,615.93
  4. Step 4: Simplify right side
    435,895.29x = 207,993,000,751.49
  5. Step 5: Solve for x
    x = 207,993,000,751.49/435,895.29
  6. Step 6: Final answer
    x = 477,162.76

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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.