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Finding the Fourth Proportional to 502,072.40, 753,108.60 and 169,643.60

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Solution

The fourth proportional to 502,072.40, 753,108.60 and 169,643.60 is: 254,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,072.40 : 753,108.60 = 169,643.60 : x
  2. Step 2: Convert to fraction form
    502,072.40/753,108.60 = 169,643.60/x
  3. Step 3: Cross multiply
    502,072.40x = 753,108.60 × 169,643.60
  4. Step 4: Simplify right side
    502,072.40x = 127,760,054,094.96
  5. Step 5: Solve for x
    x = 127,760,054,094.96/502,072.40
  6. Step 6: Final answer
    x = 254,465.40

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Similar ratio
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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.