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Finding the Fourth Proportional to 434,833.20, 609,872.40 and 434,833.20

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Solution

The fourth proportional to 434,833.20, 609,872.40 and 434,833.20 is: 609,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,833.20 : 609,872.40 = 434,833.20 : x
  2. Step 2: Convert to fraction form
    434,833.20/609,872.40 = 434,833.20/x
  3. Step 3: Cross multiply
    434,833.20x = 609,872.40 × 434,833.20
  4. Step 4: Simplify right side
    434,833.20x = 265,192,767,283.68
  5. Step 5: Solve for x
    x = 265,192,767,283.68/434,833.20
  6. Step 6: Final answer
    x = 609,872.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.