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Finding the Fourth Proportional to 502,403.10, 753,604.65 and 368,558.70

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Solution

The fourth proportional to 502,403.10, 753,604.65 and 368,558.70 is: 552,838.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,403.10 : 753,604.65 = 368,558.70 : x
  2. Step 2: Convert to fraction form
    502,403.10/753,604.65 = 368,558.70/x
  3. Step 3: Cross multiply
    502,403.10x = 753,604.65 × 368,558.70
  4. Step 4: Simplify right side
    502,403.10x = 277,747,550,117.96
  5. Step 5: Solve for x
    x = 277,747,550,117.96/502,403.10
  6. Step 6: Final answer
    x = 552,838.05

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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.