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Finding the Fourth Proportional to 535,129.40, 802,128.46 and 197,953.52

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Solution

The fourth proportional to 535,129.40, 802,128.46 and 197,953.52 is: 296,721.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,129.40 : 802,128.46 = 197,953.52 : x
  2. Step 2: Convert to fraction form
    535,129.40/802,128.46 = 197,953.52/x
  3. Step 3: Cross multiply
    535,129.40x = 802,128.46 × 197,953.52
  4. Step 4: Simplify right side
    535,129.40x = 158,784,152,149.18
  5. Step 5: Solve for x
    x = 158,784,152,149.18/535,129.40
  6. Step 6: Final answer
    x = 296,721.04

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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.