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Finding the Fourth Proportional to 570,505.16, 855,892.71 and 186,251.96

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Solution

The fourth proportional to 570,505.16, 855,892.71 and 186,251.96 is: 279,422.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,505.16 : 855,892.71 = 186,251.96 : x
  2. Step 2: Convert to fraction form
    570,505.16/855,892.71 = 186,251.96/x
  3. Step 3: Cross multiply
    570,505.16x = 855,892.71 × 186,251.96
  4. Step 4: Simplify right side
    570,505.16x = 159,411,696,926.94
  5. Step 5: Solve for x
    x = 159,411,696,926.94/570,505.16
  6. Step 6: Final answer
    x = 279,422.01

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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.