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Finding the Fourth Proportional to 447,361.32, 617,155.26 and 265,970.40

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Solution

The fourth proportional to 447,361.32, 617,155.26 and 265,970.40 is: 366,918.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,361.32 : 617,155.26 = 265,970.40 : x
  2. Step 2: Convert to fraction form
    447,361.32/617,155.26 = 265,970.40/x
  3. Step 3: Cross multiply
    447,361.32x = 617,155.26 × 265,970.40
  4. Step 4: Simplify right side
    447,361.32x = 164,145,031,364.30
  5. Step 5: Solve for x
    x = 164,145,031,364.30/447,361.32
  6. Step 6: Final answer
    x = 366,918.25

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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.