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Finding the Fourth Proportional to 265,465, 398,207.46 and 73,358.92

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Solution

The fourth proportional to 265,465, 398,207.46 and 73,358.92 is: 110,041.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,465 : 398,207.46 = 73,358.92 : x
  2. Step 2: Convert to fraction form
    265,465/398,207.46 = 73,358.92/x
  3. Step 3: Cross multiply
    265,465x = 398,207.46 × 73,358.92
  4. Step 4: Simplify right side
    265,465x = 29,212,069,201.54
  5. Step 5: Solve for x
    x = 29,212,069,201.54/265,465
  6. Step 6: Final answer
    x = 110,041.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.