Home / 345,522.45-476,837.25-202,328.64

Finding the Fourth Proportional to 345,522.45, 476,837.25 and 202,328.64

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Solution

The fourth proportional to 345,522.45, 476,837.25 and 202,328.64 is: 279,223.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,522.45 : 476,837.25 = 202,328.64 : x
  2. Step 2: Convert to fraction form
    345,522.45/476,837.25 = 202,328.64/x
  3. Step 3: Cross multiply
    345,522.45x = 476,837.25 × 202,328.64
  4. Step 4: Simplify right side
    345,522.45x = 96,477,832,293.84
  5. Step 5: Solve for x
    x = 96,477,832,293.84/345,522.45
  6. Step 6: Final answer
    x = 279,223.05

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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.