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Finding the Fourth Proportional to 545,853.28, 753,590.10 and 364,871.74

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Solution

The fourth proportional to 545,853.28, 753,590.10 and 364,871.74 is: 503,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,853.28 : 753,590.10 = 364,871.74 : x
  2. Step 2: Convert to fraction form
    545,853.28/753,590.10 = 364,871.74/x
  3. Step 3: Cross multiply
    545,853.28x = 753,590.10 × 364,871.74
  4. Step 4: Simplify right side
    545,853.28x = 274,963,731,033.77
  5. Step 5: Solve for x
    x = 274,963,731,033.77/545,853.28
  6. Step 6: Final answer
    x = 503,731.94

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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.