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Finding the Fourth Proportional to 341,207.80, 511,811.70 and 163,623.40

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Solution

The fourth proportional to 341,207.80, 511,811.70 and 163,623.40 is: 245,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,207.80 : 511,811.70 = 163,623.40 : x
  2. Step 2: Convert to fraction form
    341,207.80/511,811.70 = 163,623.40/x
  3. Step 3: Cross multiply
    341,207.80x = 511,811.70 × 163,623.40
  4. Step 4: Simplify right side
    341,207.80x = 83,744,370,513.78
  5. Step 5: Solve for x
    x = 83,744,370,513.78/341,207.80
  6. Step 6: Final answer
    x = 245,435.10

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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.