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Finding the Fourth Proportional to 727,653.40, 996,888.71 and 700,381.15

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Solution

The fourth proportional to 727,653.40, 996,888.71 and 700,381.15 is: 959,525.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,653.40 : 996,888.71 = 700,381.15 : x
  2. Step 2: Convert to fraction form
    727,653.40/996,888.71 = 700,381.15/x
  3. Step 3: Cross multiply
    727,653.40x = 996,888.71 × 700,381.15
  4. Step 4: Simplify right side
    727,653.40x = 698,202,061,131.82
  5. Step 5: Solve for x
    x = 698,202,061,131.82/727,653.40
  6. Step 6: Final answer
    x = 959,525.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.