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Finding the Fourth Proportional to 583,454.61, 805,164.37 and 338,488.91

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Solution

The fourth proportional to 583,454.61, 805,164.37 and 338,488.91 is: 467,112.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,454.61 : 805,164.37 = 338,488.91 : x
  2. Step 2: Convert to fraction form
    583,454.61/805,164.37 = 338,488.91/x
  3. Step 3: Cross multiply
    583,454.61x = 805,164.37 × 338,488.91
  4. Step 4: Simplify right side
    583,454.61x = 272,539,208,119.46
  5. Step 5: Solve for x
    x = 272,539,208,119.46/583,454.61
  6. Step 6: Final answer
    x = 467,112.96

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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.