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Finding the Fourth Proportional to 448,866, 619,448.04 and 247,674.96

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Solution

The fourth proportional to 448,866, 619,448.04 and 247,674.96 is: 341,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,866 : 619,448.04 = 247,674.96 : x
  2. Step 2: Convert to fraction form
    448,866/619,448.04 = 247,674.96/x
  3. Step 3: Cross multiply
    448,866x = 619,448.04 × 247,674.96
  4. Step 4: Simplify right side
    448,866x = 153,421,768,529.08
  5. Step 5: Solve for x
    x = 153,421,768,529.08/448,866
  6. Step 6: Final answer
    x = 341,798.60

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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.