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Finding the Fourth Proportional to 727,628.31, 996,855.63 and 700,356.24

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Solution

The fourth proportional to 727,628.31, 996,855.63 and 700,356.24 is: 959,492.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,628.31 : 996,855.63 = 700,356.24 : x
  2. Step 2: Convert to fraction form
    727,628.31/996,855.63 = 700,356.24/x
  3. Step 3: Cross multiply
    727,628.31x = 996,855.63 × 700,356.24
  4. Step 4: Simplify right side
    727,628.31x = 698,154,058,223.30
  5. Step 5: Solve for x
    x = 698,154,058,223.30/727,628.31
  6. Step 6: Final answer
    x = 959,492.71

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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.