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Finding the Fourth Proportional to 523,488.91, 785,391.01 and 186,485.58

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Solution

The fourth proportional to 523,488.91, 785,391.01 and 186,485.58 is: 279,784.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,488.91 : 785,391.01 = 186,485.58 : x
  2. Step 2: Convert to fraction form
    523,488.91/785,391.01 = 186,485.58/x
  3. Step 3: Cross multiply
    523,488.91x = 785,391.01 × 186,485.58
  4. Step 4: Simplify right side
    523,488.91x = 146,464,098,026.64
  5. Step 5: Solve for x
    x = 146,464,098,026.64/523,488.91
  6. Step 6: Final answer
    x = 279,784.53

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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.