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Finding the Fourth Proportional to 522,008.16, 783,128.88 and 167,043.48

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Solution

The fourth proportional to 522,008.16, 783,128.88 and 167,043.48 is: 250,602.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,008.16 : 783,128.88 = 167,043.48 : x
  2. Step 2: Convert to fraction form
    522,008.16/783,128.88 = 167,043.48/x
  3. Step 3: Cross multiply
    522,008.16x = 783,128.88 × 167,043.48
  4. Step 4: Simplify right side
    522,008.16x = 130,816,573,403.70
  5. Step 5: Solve for x
    x = 130,816,573,403.70/522,008.16
  6. Step 6: Final answer
    x = 250,602.54

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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.