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Finding the Fourth Proportional to 492,113.82, 679,117.08 and 265,759.32

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Solution

The fourth proportional to 492,113.82, 679,117.08 and 265,759.32 is: 366,747.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,113.82 : 679,117.08 = 265,759.32 : x
  2. Step 2: Convert to fraction form
    492,113.82/679,117.08 = 265,759.32/x
  3. Step 3: Cross multiply
    492,113.82x = 679,117.08 × 265,759.32
  4. Step 4: Simplify right side
    492,113.82x = 180,481,693,381.19
  5. Step 5: Solve for x
    x = 180,481,693,381.19/492,113.82
  6. Step 6: Final answer
    x = 366,747.87

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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.