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Finding the Fourth Proportional to 531,807, 797,717.45 and 176,821.02

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Solution

The fourth proportional to 531,807, 797,717.45 and 176,821.02 is: 265,233.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,807 : 797,717.45 = 176,821.02 : x
  2. Step 2: Convert to fraction form
    531,807/797,717.45 = 176,821.02/x
  3. Step 3: Cross multiply
    531,807x = 797,717.45 × 176,821.02
  4. Step 4: Simplify right side
    531,807x = 141,053,212,296.69
  5. Step 5: Solve for x
    x = 141,053,212,296.69/531,807
  6. Step 6: Final answer
    x = 265,233.84

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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.