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Finding the Fourth Proportional to 219,397.01, 328,533.71 and 151,835.52

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Solution

The fourth proportional to 219,397.01, 328,533.71 and 151,835.52 is: 227,364.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,397.01 : 328,533.71 = 151,835.52 : x
  2. Step 2: Convert to fraction form
    219,397.01/328,533.71 = 151,835.52/x
  3. Step 3: Cross multiply
    219,397.01x = 328,533.71 × 151,835.52
  4. Step 4: Simplify right side
    219,397.01x = 49,883,085,936.20
  5. Step 5: Solve for x
    x = 49,883,085,936.20/219,397.01
  6. Step 6: Final answer
    x = 227,364.47

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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.