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Finding the Fourth Proportional to 592,567.70, 817,737.28 and 320,629.59

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Solution

The fourth proportional to 592,567.70, 817,737.28 and 320,629.59 is: 442,465.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,567.70 : 817,737.28 = 320,629.59 : x
  2. Step 2: Convert to fraction form
    592,567.70/817,737.28 = 320,629.59/x
  3. Step 3: Cross multiply
    592,567.70x = 817,737.28 × 320,629.59
  4. Step 4: Simplify right side
    592,567.70x = 262,190,768,814.12
  5. Step 5: Solve for x
    x = 262,190,768,814.12/592,567.70
  6. Step 6: Final answer
    x = 442,465.51

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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.