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Finding the Fourth Proportional to 448,873, 619,457.72 and 247,681.96

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Solution

The fourth proportional to 448,873, 619,457.72 and 247,681.96 is: 341,808.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,873 : 619,457.72 = 247,681.96 : x
  2. Step 2: Convert to fraction form
    448,873/619,457.72 = 247,681.96/x
  3. Step 3: Cross multiply
    448,873x = 619,457.72 × 247,681.96
  4. Step 4: Simplify right side
    448,873x = 153,428,502,226.73
  5. Step 5: Solve for x
    x = 153,428,502,226.73/448,873
  6. Step 6: Final answer
    x = 341,808.27

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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.