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Finding the Fourth Proportional to 447,109.92, 617,008.84 and 253,554.32

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Solution

The fourth proportional to 447,109.92, 617,008.84 and 253,554.32 is: 349,903.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,109.92 : 617,008.84 = 253,554.32 : x
  2. Step 2: Convert to fraction form
    447,109.92/617,008.84 = 253,554.32/x
  3. Step 3: Cross multiply
    447,109.92x = 617,008.84 × 253,554.32
  4. Step 4: Simplify right side
    447,109.92x = 156,445,256,860.19
  5. Step 5: Solve for x
    x = 156,445,256,860.19/447,109.92
  6. Step 6: Final answer
    x = 349,903.35

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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.