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Finding the Fourth Proportional to 527,533.94, 790,036.58 and 270,690.63

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Solution

The fourth proportional to 527,533.94, 790,036.58 and 270,690.63 is: 405,387.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,533.94 : 790,036.58 = 270,690.63 : x
  2. Step 2: Convert to fraction form
    527,533.94/790,036.58 = 270,690.63/x
  3. Step 3: Cross multiply
    527,533.94x = 790,036.58 × 270,690.63
  4. Step 4: Simplify right side
    527,533.94x = 213,855,498,209.79
  5. Step 5: Solve for x
    x = 213,855,498,209.79/527,533.94
  6. Step 6: Final answer
    x = 405,387.19

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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.