Home / 296,984.80-445,477.20-202,981.60

Finding the Fourth Proportional to 296,984.80, 445,477.20 and 202,981.60

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Solution

The fourth proportional to 296,984.80, 445,477.20 and 202,981.60 is: 304,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,984.80 : 445,477.20 = 202,981.60 : x
  2. Step 2: Convert to fraction form
    296,984.80/445,477.20 = 202,981.60/x
  3. Step 3: Cross multiply
    296,984.80x = 445,477.20 × 202,981.60
  4. Step 4: Simplify right side
    296,984.80x = 90,423,674,819.52
  5. Step 5: Solve for x
    x = 90,423,674,819.52/296,984.80
  6. Step 6: Final answer
    x = 304,472.40

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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.