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Finding the Fourth Proportional to 964,241, 1,330,563.12 and 534,484.58

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Solution

The fourth proportional to 964,241, 1,330,563.12 and 534,484.58 is: 737,539.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,241 : 1,330,563.12 = 534,484.58 : x
  2. Step 2: Convert to fraction form
    964,241/1,330,563.12 = 534,484.58/x
  3. Step 3: Cross multiply
    964,241x = 1,330,563.12 × 534,484.58
  4. Step 4: Simplify right side
    964,241x = 711,165,470,356.69
  5. Step 5: Solve for x
    x = 711,165,470,356.69/964,241
  6. Step 6: Final answer
    x = 737,539.13

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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.