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Finding the Fourth Proportional to 614,327.08, 921,428.30 and 164,989.56

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Solution

The fourth proportional to 614,327.08, 921,428.30 and 164,989.56 is: 247,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,327.08 : 921,428.30 = 164,989.56 : x
  2. Step 2: Convert to fraction form
    614,327.08/921,428.30 = 164,989.56/x
  3. Step 3: Cross multiply
    614,327.08x = 921,428.30 × 164,989.56
  4. Step 4: Simplify right side
    614,327.08x = 152,026,049,788.55
  5. Step 5: Solve for x
    x = 152,026,049,788.55/614,327.08
  6. Step 6: Final answer
    x = 247,467.60

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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.