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Finding the Fourth Proportional to 611,682.94, 844,188.63 and 370,098.70

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Solution

The fourth proportional to 611,682.94, 844,188.63 and 370,098.70 is: 510,776.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,682.94 : 844,188.63 = 370,098.70 : x
  2. Step 2: Convert to fraction form
    611,682.94/844,188.63 = 370,098.70/x
  3. Step 3: Cross multiply
    611,682.94x = 844,188.63 × 370,098.70
  4. Step 4: Simplify right side
    611,682.94x = 312,433,113,795.18
  5. Step 5: Solve for x
    x = 312,433,113,795.18/611,682.94
  6. Step 6: Final answer
    x = 510,776.24

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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.