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Finding the Fourth Proportional to 530,076.80, 794,865.72 and 156,025.28

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Solution

The fourth proportional to 530,076.80, 794,865.72 and 156,025.28 is: 233,964.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,076.80 : 794,865.72 = 156,025.28 : x
  2. Step 2: Convert to fraction form
    530,076.80/794,865.72 = 156,025.28/x
  3. Step 3: Cross multiply
    530,076.80x = 794,865.72 × 156,025.28
  4. Step 4: Simplify right side
    530,076.80x = 124,019,146,525.40
  5. Step 5: Solve for x
    x = 124,019,146,525.40/530,076.80
  6. Step 6: Final answer
    x = 233,964.49

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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.