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Finding the Fourth Proportional to 545,826, 817,833.86 and 331,946.98

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Solution

The fourth proportional to 545,826, 817,833.86 and 331,946.98 is: 497,370.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,826 : 817,833.86 = 331,946.98 : x
  2. Step 2: Convert to fraction form
    545,826/817,833.86 = 331,946.98/x
  3. Step 3: Cross multiply
    545,826x = 817,833.86 × 331,946.98
  4. Step 4: Simplify right side
    545,826x = 271,477,479,968.74
  5. Step 5: Solve for x
    x = 271,477,479,968.74/545,826
  6. Step 6: Final answer
    x = 497,370.00

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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.