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Finding the Fourth Proportional to 265,605, 366,534.90 and 146,373

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Solution

The fourth proportional to 265,605, 366,534.90 and 146,373 is: 201,994.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,605 : 366,534.90 = 146,373 : x
  2. Step 2: Convert to fraction form
    265,605/366,534.90 = 146,373/x
  3. Step 3: Cross multiply
    265,605x = 366,534.90 × 146,373
  4. Step 4: Simplify right side
    265,605x = 53,650,812,917.70
  5. Step 5: Solve for x
    x = 53,650,812,917.70/265,605
  6. Step 6: Final answer
    x = 201,994.74

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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.