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Finding the Fourth Proportional to 547,767.09, 755,957.70 and 302,746.58

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Solution

The fourth proportional to 547,767.09, 755,957.70 and 302,746.58 is: 417,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,767.09 : 755,957.70 = 302,746.58 : x
  2. Step 2: Convert to fraction form
    547,767.09/755,957.70 = 302,746.58/x
  3. Step 3: Cross multiply
    547,767.09x = 755,957.70 × 302,746.58
  4. Step 4: Simplify right side
    547,767.09x = 228,863,607,353.58
  5. Step 5: Solve for x
    x = 228,863,607,353.58/547,767.09
  6. Step 6: Final answer
    x = 417,811.90

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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.