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Finding the Fourth Proportional to 434,872.35, 600,128.19 and 243,881.64

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Solution

The fourth proportional to 434,872.35, 600,128.19 and 243,881.64 is: 336,559.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,872.35 : 600,128.19 = 243,881.64 : x
  2. Step 2: Convert to fraction form
    434,872.35/600,128.19 = 243,881.64/x
  3. Step 3: Cross multiply
    434,872.35x = 600,128.19 × 243,881.64
  4. Step 4: Simplify right side
    434,872.35x = 146,360,247,187.43
  5. Step 5: Solve for x
    x = 146,360,247,187.43/434,872.35
  6. Step 6: Final answer
    x = 336,559.10

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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.