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Finding the Fourth Proportional to 265,483.76, 366,351 and 146,251.76

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Solution

The fourth proportional to 265,483.76, 366,351 and 146,251.76 is: 201,818.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,483.76 : 366,351 = 146,251.76 : x
  2. Step 2: Convert to fraction form
    265,483.76/366,351 = 146,251.76/x
  3. Step 3: Cross multiply
    265,483.76x = 366,351 × 146,251.76
  4. Step 4: Simplify right side
    265,483.76x = 53,579,478,527.76
  5. Step 5: Solve for x
    x = 53,579,478,527.76/265,483.76
  6. Step 6: Final answer
    x = 201,818.29

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1.5x scale

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.