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Finding the Fourth Proportional to 318,033, 438,866.98 and 174,793.17

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Solution

The fourth proportional to 318,033, 438,866.98 and 174,793.17 is: 241,204.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,033 : 438,866.98 = 174,793.17 : x
  2. Step 2: Convert to fraction form
    318,033/438,866.98 = 174,793.17/x
  3. Step 3: Cross multiply
    318,033x = 438,866.98 × 174,793.17
  4. Step 4: Simplify right side
    318,033x = 76,710,950,642.53
  5. Step 5: Solve for x
    x = 76,710,950,642.53/318,033
  6. Step 6: Final answer
    x = 241,204.37

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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.