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Finding the Fourth Proportional to 482,875.40, 722,930.70 and 296,251.40

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Solution

The fourth proportional to 482,875.40, 722,930.70 and 296,251.40 is: 443,528.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,875.40 : 722,930.70 = 296,251.40 : x
  2. Step 2: Convert to fraction form
    482,875.40/722,930.70 = 296,251.40/x
  3. Step 3: Cross multiply
    482,875.40x = 722,930.70 × 296,251.40
  4. Step 4: Simplify right side
    482,875.40x = 214,169,231,977.98
  5. Step 5: Solve for x
    x = 214,169,231,977.98/482,875.40
  6. Step 6: Final answer
    x = 443,528.98

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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.