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Finding the Fourth Proportional to 964,172, 1,330,417.68 and 534,452

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Solution

The fourth proportional to 964,172, 1,330,417.68 and 534,452 is: 737,466.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,172 : 1,330,417.68 = 534,452 : x
  2. Step 2: Convert to fraction form
    964,172/1,330,417.68 = 534,452/x
  3. Step 3: Cross multiply
    964,172x = 1,330,417.68 × 534,452
  4. Step 4: Simplify right side
    964,172x = 711,044,389,911.36
  5. Step 5: Solve for x
    x = 711,044,389,911.36/964,172
  6. Step 6: Final answer
    x = 737,466.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.