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Finding the Fourth Proportional to 527,004.38, 790,528.44 and 153,027.38

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Solution

The fourth proportional to 527,004.38, 790,528.44 and 153,027.38 is: 229,547.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,004.38 : 790,528.44 = 153,027.38 : x
  2. Step 2: Convert to fraction form
    527,004.38/790,528.44 = 153,027.38/x
  3. Step 3: Cross multiply
    527,004.38x = 790,528.44 × 153,027.38
  4. Step 4: Simplify right side
    527,004.38x = 120,972,492,036.05
  5. Step 5: Solve for x
    x = 120,972,492,036.05/527,004.38
  6. Step 6: Final answer
    x = 229,547.42

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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.