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Finding the Fourth Proportional to 586,923.12, 880,361.54 and 207,828.54

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Solution

The fourth proportional to 586,923.12, 880,361.54 and 207,828.54 is: 311,734.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,923.12 : 880,361.54 = 207,828.54 : x
  2. Step 2: Convert to fraction form
    586,923.12/880,361.54 = 207,828.54/x
  3. Step 3: Cross multiply
    586,923.12x = 880,361.54 × 207,828.54
  4. Step 4: Simplify right side
    586,923.12x = 182,964,252,491.21
  5. Step 5: Solve for x
    x = 182,964,252,491.21/586,923.12
  6. Step 6: Final answer
    x = 311,734.61

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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.