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Finding the Fourth Proportional to 832,538, 1,148,902.44 and 450,567.56

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Solution

The fourth proportional to 832,538, 1,148,902.44 and 450,567.56 is: 621,783.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,538 : 1,148,902.44 = 450,567.56 : x
  2. Step 2: Convert to fraction form
    832,538/1,148,902.44 = 450,567.56/x
  3. Step 3: Cross multiply
    832,538x = 1,148,902.44 × 450,567.56
  4. Step 4: Simplify right side
    832,538x = 517,658,169,068.85
  5. Step 5: Solve for x
    x = 517,658,169,068.85/832,538
  6. Step 6: Final answer
    x = 621,783.23

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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.