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Finding the Fourth Proportional to 448,248.06, 619,188.08 and 358,234.92

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Solution

The fourth proportional to 448,248.06, 619,188.08 and 358,234.92 is: 494,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,248.06 : 619,188.08 = 358,234.92 : x
  2. Step 2: Convert to fraction form
    448,248.06/619,188.08 = 358,234.92/x
  3. Step 3: Cross multiply
    448,248.06x = 619,188.08 × 358,234.92
  4. Step 4: Simplify right side
    448,248.06x = 221,814,790,512.58
  5. Step 5: Solve for x
    x = 221,814,790,512.58/448,248.06
  6. Step 6: Final answer
    x = 494,848.30

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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.