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Finding the Fourth Proportional to 330,594.06, 456,202.31 and 187,355.82

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Solution

The fourth proportional to 330,594.06, 456,202.31 and 187,355.82 is: 258,541.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,594.06 : 456,202.31 = 187,355.82 : x
  2. Step 2: Convert to fraction form
    330,594.06/456,202.31 = 187,355.82/x
  3. Step 3: Cross multiply
    330,594.06x = 456,202.31 × 187,355.82
  4. Step 4: Simplify right side
    330,594.06x = 85,472,157,875.94
  5. Step 5: Solve for x
    x = 85,472,157,875.94/330,594.06
  6. Step 6: Final answer
    x = 258,541.12

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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.