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Finding the Fourth Proportional to 576,438.76, 793,724.54 and 522,372.06

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Solution

The fourth proportional to 576,438.76, 793,724.54 and 522,372.06 is: 719,277.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,438.76 : 793,724.54 = 522,372.06 : x
  2. Step 2: Convert to fraction form
    576,438.76/793,724.54 = 522,372.06/x
  3. Step 3: Cross multiply
    576,438.76x = 793,724.54 × 522,372.06
  4. Step 4: Simplify right side
    576,438.76x = 414,619,523,032.35
  5. Step 5: Solve for x
    x = 414,619,523,032.35/576,438.76
  6. Step 6: Final answer
    x = 719,277.66

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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.