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Finding the Fourth Proportional to 318,532.67, 439,575.15 and 175,292.71

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Solution

The fourth proportional to 318,532.67, 439,575.15 and 175,292.71 is: 241,903.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,532.67 : 439,575.15 = 175,292.71 : x
  2. Step 2: Convert to fraction form
    318,532.67/439,575.15 = 175,292.71/x
  3. Step 3: Cross multiply
    318,532.67x = 439,575.15 × 175,292.71
  4. Step 4: Simplify right side
    318,532.67x = 77,054,318,415.69
  5. Step 5: Solve for x
    x = 77,054,318,415.69/318,532.67
  6. Step 6: Final answer
    x = 241,903.98

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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.