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Finding the Fourth Proportional to 523,729.73, 785,579.01 and 144,673.20

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Solution

The fourth proportional to 523,729.73, 785,579.01 and 144,673.20 is: 217,005.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,729.73 : 785,579.01 = 144,673.20 : x
  2. Step 2: Convert to fraction form
    523,729.73/785,579.01 = 144,673.20/x
  3. Step 3: Cross multiply
    523,729.73x = 785,579.01 × 144,673.20
  4. Step 4: Simplify right side
    523,729.73x = 113,652,226,283.61
  5. Step 5: Solve for x
    x = 113,652,226,283.61/523,729.73
  6. Step 6: Final answer
    x = 217,005.49

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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.