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Finding the Fourth Proportional to 592,646.98, 817,858.59 and 320,720.52

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Solution

The fourth proportional to 592,646.98, 817,858.59 and 320,720.52 is: 442,597.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,646.98 : 817,858.59 = 320,720.52 : x
  2. Step 2: Convert to fraction form
    592,646.98/817,858.59 = 320,720.52/x
  3. Step 3: Cross multiply
    592,646.98x = 817,858.59 × 320,720.52
  4. Step 4: Simplify right side
    592,646.98x = 262,304,032,271.27
  5. Step 5: Solve for x
    x = 262,304,032,271.27/592,646.98
  6. Step 6: Final answer
    x = 442,597.43

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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.