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Finding the Fourth Proportional to 343,595.16, 474,160.86 and 192,690.84

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Solution

The fourth proportional to 343,595.16, 474,160.86 and 192,690.84 is: 265,913.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,595.16 : 474,160.86 = 192,690.84 : x
  2. Step 2: Convert to fraction form
    343,595.16/474,160.86 = 192,690.84/x
  3. Step 3: Cross multiply
    343,595.16x = 474,160.86 × 192,690.84
  4. Step 4: Simplify right side
    343,595.16x = 91,366,454,408.52
  5. Step 5: Solve for x
    x = 91,366,454,408.52/343,595.16
  6. Step 6: Final answer
    x = 265,913.10

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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.