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Finding the Fourth Proportional to 475,989.18, 656,752.40 and 269,262.32

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Solution

The fourth proportional to 475,989.18, 656,752.40 and 269,262.32 is: 371,518.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,989.18 : 656,752.40 = 269,262.32 : x
  2. Step 2: Convert to fraction form
    475,989.18/656,752.40 = 269,262.32/x
  3. Step 3: Cross multiply
    475,989.18x = 656,752.40 × 269,262.32
  4. Step 4: Simplify right side
    475,989.18x = 176,838,674,889.57
  5. Step 5: Solve for x
    x = 176,838,674,889.57/475,989.18
  6. Step 6: Final answer
    x = 371,518.27

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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.