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Finding the Fourth Proportional to 450,693.92, 621,956.57 and 269,397.06

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Solution

The fourth proportional to 450,693.92, 621,956.57 and 269,397.06 is: 371,767.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,693.92 : 621,956.57 = 269,397.06 : x
  2. Step 2: Convert to fraction form
    450,693.92/621,956.57 = 269,397.06/x
  3. Step 3: Cross multiply
    450,693.92x = 621,956.57 × 269,397.06
  4. Step 4: Simplify right side
    450,693.92x = 167,553,270,058.70
  5. Step 5: Solve for x
    x = 167,553,270,058.70/450,693.92
  6. Step 6: Final answer
    x = 371,767.32

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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.