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Finding the Fourth Proportional to 286,800.30, 430,200.45 and 181,737.90

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Solution

The fourth proportional to 286,800.30, 430,200.45 and 181,737.90 is: 272,606.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,800.30 : 430,200.45 = 181,737.90 : x
  2. Step 2: Convert to fraction form
    286,800.30/430,200.45 = 181,737.90/x
  3. Step 3: Cross multiply
    286,800.30x = 430,200.45 × 181,737.90
  4. Step 4: Simplify right side
    286,800.30x = 78,183,726,362.06
  5. Step 5: Solve for x
    x = 78,183,726,362.06/286,800.30
  6. Step 6: Final answer
    x = 272,606.85

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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.