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Finding the Fourth Proportional to 329,754, 455,060.55 and 186,510.96

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Solution

The fourth proportional to 329,754, 455,060.55 and 186,510.96 is: 257,385.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,754 : 455,060.55 = 186,510.96 : x
  2. Step 2: Convert to fraction form
    329,754/455,060.55 = 186,510.96/x
  3. Step 3: Cross multiply
    329,754x = 455,060.55 × 186,510.96
  4. Step 4: Simplify right side
    329,754x = 84,873,780,038.63
  5. Step 5: Solve for x
    x = 84,873,780,038.63/329,754
  6. Step 6: Final answer
    x = 257,385.14

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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.