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Finding the Fourth Proportional to 698,244.27, 963,577.72 and 396,438.27

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Solution

The fourth proportional to 698,244.27, 963,577.72 and 396,438.27 is: 547,085.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,244.27 : 963,577.72 = 396,438.27 : x
  2. Step 2: Convert to fraction form
    698,244.27/963,577.72 = 396,438.27/x
  3. Step 3: Cross multiply
    698,244.27x = 963,577.72 × 396,438.27
  4. Step 4: Simplify right side
    698,244.27x = 381,999,084,327.34
  5. Step 5: Solve for x
    x = 381,999,084,327.34/698,244.27
  6. Step 6: Final answer
    x = 547,085.17

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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.