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Finding the Fourth Proportional to 583,346.89, 805,196.62 and 338,393.55

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Solution

The fourth proportional to 583,346.89, 805,196.62 and 338,393.55 is: 467,086.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,346.89 : 805,196.62 = 338,393.55 : x
  2. Step 2: Convert to fraction form
    583,346.89/805,196.62 = 338,393.55/x
  3. Step 3: Cross multiply
    583,346.89x = 805,196.62 × 338,393.55
  4. Step 4: Simplify right side
    583,346.89x = 272,473,342,554.78
  5. Step 5: Solve for x
    x = 272,473,342,554.78/583,346.89
  6. Step 6: Final answer
    x = 467,086.30

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1.5x scale

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.