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Finding the Fourth Proportional to 614,252.84, 921,510.42 and 214,906.64

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Solution

The fourth proportional to 614,252.84, 921,510.42 and 214,906.64 is: 322,405.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,252.84 : 921,510.42 = 214,906.64 : x
  2. Step 2: Convert to fraction form
    614,252.84/921,510.42 = 214,906.64/x
  3. Step 3: Cross multiply
    614,252.84x = 921,510.42 × 214,906.64
  4. Step 4: Simplify right side
    614,252.84x = 198,038,708,087.19
  5. Step 5: Solve for x
    x = 198,038,708,087.19/614,252.84
  6. Step 6: Final answer
    x = 322,405.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.