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Finding the Fourth Proportional to 448,393, 672,587.82 and 148,896.04

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Solution

The fourth proportional to 448,393, 672,587.82 and 148,896.04 is: 223,343.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,393 : 672,587.82 = 148,896.04 : x
  2. Step 2: Convert to fraction form
    448,393/672,587.82 = 148,896.04/x
  3. Step 3: Cross multiply
    448,393x = 672,587.82 × 148,896.04
  4. Step 4: Simplify right side
    448,393x = 100,145,662,950.23
  5. Step 5: Solve for x
    x = 100,145,662,950.23/448,393
  6. Step 6: Final answer
    x = 223,343.50

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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.