Home / 296,918.10-445,085.55-265,425.30

Finding the Fourth Proportional to 296,918.10, 445,085.55 and 265,425.30

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Solution

The fourth proportional to 296,918.10, 445,085.55 and 265,425.30 is: 397,877.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,918.10 : 445,085.55 = 265,425.30 : x
  2. Step 2: Convert to fraction form
    296,918.10/445,085.55 = 265,425.30/x
  3. Step 3: Cross multiply
    296,918.10x = 445,085.55 × 265,425.30
  4. Step 4: Simplify right side
    296,918.10x = 118,136,965,634.42
  5. Step 5: Solve for x
    x = 118,136,965,634.42/296,918.10
  6. Step 6: Final answer
    x = 397,877.28

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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.