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Finding the Fourth Proportional to 536,466.60, 804,807.90 and 157,386.60

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Solution

The fourth proportional to 536,466.60, 804,807.90 and 157,386.60 is: 236,111.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,466.60 : 804,807.90 = 157,386.60 : x
  2. Step 2: Convert to fraction form
    536,466.60/804,807.90 = 157,386.60/x
  3. Step 3: Cross multiply
    536,466.60x = 804,807.90 × 157,386.60
  4. Step 4: Simplify right side
    536,466.60x = 126,665,979,034.14
  5. Step 5: Solve for x
    x = 126,665,979,034.14/536,466.60
  6. Step 6: Final answer
    x = 236,111.58

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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.