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Finding the Fourth Proportional to 484,152, 668,127.98 and 269,292.08

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Solution

The fourth proportional to 484,152, 668,127.98 and 269,292.08 is: 371,622.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,152 : 668,127.98 = 269,292.08 : x
  2. Step 2: Convert to fraction form
    484,152/668,127.98 = 269,292.08/x
  3. Step 3: Cross multiply
    484,152x = 668,127.98 × 269,292.08
  4. Step 4: Simplify right side
    484,152x = 179,921,573,440.40
  5. Step 5: Solve for x
    x = 179,921,573,440.40/484,152
  6. Step 6: Final answer
    x = 371,622.08

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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.