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Finding the Fourth Proportional to 342,811.44, 514,411.44 and 185,036.40

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Solution

The fourth proportional to 342,811.44, 514,411.44 and 185,036.40 is: 277,659.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,811.44 : 514,411.44 = 185,036.40 : x
  2. Step 2: Convert to fraction form
    342,811.44/514,411.44 = 185,036.40/x
  3. Step 3: Cross multiply
    342,811.44x = 514,411.44 × 185,036.40
  4. Step 4: Simplify right side
    342,811.44x = 95,184,840,976.42
  5. Step 5: Solve for x
    x = 95,184,840,976.42/342,811.44
  6. Step 6: Final answer
    x = 277,659.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.