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Finding the Fourth Proportional to 294,085.40, 441,419.70 and 144,494.60

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Solution

The fourth proportional to 294,085.40, 441,419.70 and 144,494.60 is: 216,885.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,085.40 : 441,419.70 = 144,494.60 : x
  2. Step 2: Convert to fraction form
    294,085.40/441,419.70 = 144,494.60/x
  3. Step 3: Cross multiply
    294,085.40x = 441,419.70 × 144,494.60
  4. Step 4: Simplify right side
    294,085.40x = 63,782,762,983.62
  5. Step 5: Solve for x
    x = 63,782,762,983.62/294,085.40
  6. Step 6: Final answer
    x = 216,885.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.