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Finding the Fourth Proportional to 586,441.56, 879,731.58 and 186,942.27

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Solution

The fourth proportional to 586,441.56, 879,731.58 and 186,942.27 is: 280,435.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,441.56 : 879,731.58 = 186,942.27 : x
  2. Step 2: Convert to fraction form
    586,441.56/879,731.58 = 186,942.27/x
  3. Step 3: Cross multiply
    586,441.56x = 879,731.58 × 186,942.27
  4. Step 4: Simplify right side
    586,441.56x = 164,459,018,555.89
  5. Step 5: Solve for x
    x = 164,459,018,555.89/586,441.56
  6. Step 6: Final answer
    x = 280,435.48

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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.