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Finding the Fourth Proportional to 318,275.34, 439,211.22 and 175,035.39

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Solution

The fourth proportional to 318,275.34, 439,211.22 and 175,035.39 is: 241,544.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,275.34 : 439,211.22 = 175,035.39 : x
  2. Step 2: Convert to fraction form
    318,275.34/439,211.22 = 175,035.39/x
  3. Step 3: Cross multiply
    318,275.34x = 439,211.22 × 175,035.39
  4. Step 4: Simplify right side
    318,275.34x = 76,877,507,185.08
  5. Step 5: Solve for x
    x = 76,877,507,185.08/318,275.34
  6. Step 6: Final answer
    x = 241,544.03

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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.