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Finding the Fourth Proportional to 313,567.34, 432,723.75 and 170,326.22

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Solution

The fourth proportional to 313,567.34, 432,723.75 and 170,326.22 is: 235,050.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,567.34 : 432,723.75 = 170,326.22 : x
  2. Step 2: Convert to fraction form
    313,567.34/432,723.75 = 170,326.22/x
  3. Step 3: Cross multiply
    313,567.34x = 432,723.75 × 170,326.22
  4. Step 4: Simplify right side
    313,567.34x = 73,704,200,641.73
  5. Step 5: Solve for x
    x = 73,704,200,641.73/313,567.34
  6. Step 6: Final answer
    x = 235,050.63

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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.