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Finding the Fourth Proportional to 313,806.15, 433,055.57 and 170,566.10

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Solution

The fourth proportional to 313,806.15, 433,055.57 and 170,566.10 is: 235,382.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,806.15 : 433,055.57 = 170,566.10 : x
  2. Step 2: Convert to fraction form
    313,806.15/433,055.57 = 170,566.10/x
  3. Step 3: Cross multiply
    313,806.15x = 433,055.57 × 170,566.10
  4. Step 4: Simplify right side
    313,806.15x = 73,864,600,699.96
  5. Step 5: Solve for x
    x = 73,864,600,699.96/313,806.15
  6. Step 6: Final answer
    x = 235,382.90

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1.5x scale

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.