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Finding the Fourth Proportional to 318,246.96, 439,192.20 and 175,018.08

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Solution

The fourth proportional to 318,246.96, 439,192.20 and 175,018.08 is: 241,531.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,246.96 : 439,192.20 = 175,018.08 : x
  2. Step 2: Convert to fraction form
    318,246.96/439,192.20 = 175,018.08/x
  3. Step 3: Cross multiply
    318,246.96x = 439,192.20 × 175,018.08
  4. Step 4: Simplify right side
    318,246.96x = 76,866,575,594.98
  5. Step 5: Solve for x
    x = 76,866,575,594.98/318,246.96
  6. Step 6: Final answer
    x = 241,531.22

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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.