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Finding the Fourth Proportional to 592,658.53, 817,870.80 and 320,726.36

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Solution

The fourth proportional to 592,658.53, 817,870.80 and 320,726.36 is: 442,603.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,658.53 : 817,870.80 = 320,726.36 : x
  2. Step 2: Convert to fraction form
    592,658.53/817,870.80 = 320,726.36/x
  3. Step 3: Cross multiply
    592,658.53x = 817,870.80 × 320,726.36
  4. Step 4: Simplify right side
    592,658.53x = 262,312,724,634.29
  5. Step 5: Solve for x
    x = 262,312,724,634.29/592,658.53
  6. Step 6: Final answer
    x = 442,603.47

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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.