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Finding the Fourth Proportional to 296,556.80, 444,878.40 and 96,886.40

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Solution

The fourth proportional to 296,556.80, 444,878.40 and 96,886.40 is: 145,343.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,556.80 : 444,878.40 = 96,886.40 : x
  2. Step 2: Convert to fraction form
    296,556.80/444,878.40 = 96,886.40/x
  3. Step 3: Cross multiply
    296,556.80x = 444,878.40 × 96,886.40
  4. Step 4: Simplify right side
    296,556.80x = 43,102,666,613.76
  5. Step 5: Solve for x
    x = 43,102,666,613.76/296,556.80
  6. Step 6: Final answer
    x = 145,343.71

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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.