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Finding the Fourth Proportional to 583,597.13, 805,425.95 and 342,082.62

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Solution

The fourth proportional to 583,597.13, 805,425.95 and 342,082.62 is: 472,110.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,597.13 : 805,425.95 = 342,082.62 : x
  2. Step 2: Convert to fraction form
    583,597.13/805,425.95 = 342,082.62/x
  3. Step 3: Cross multiply
    583,597.13x = 805,425.95 × 342,082.62
  4. Step 4: Simplify right side
    583,597.13x = 275,522,217,481.58
  5. Step 5: Solve for x
    x = 275,522,217,481.58/583,597.13
  6. Step 6: Final answer
    x = 472,110.31

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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.