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Finding the Fourth Proportional to 665,726.04, 998,490.65 and 244,903.50

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Solution

The fourth proportional to 665,726.04, 998,490.65 and 244,903.50 is: 367,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,726.04 : 998,490.65 = 244,903.50 : x
  2. Step 2: Convert to fraction form
    665,726.04/998,490.65 = 244,903.50/x
  3. Step 3: Cross multiply
    665,726.04x = 998,490.65 × 244,903.50
  4. Step 4: Simplify right side
    665,726.04x = 244,533,853,677.76
  5. Step 5: Solve for x
    x = 244,533,853,677.76/665,726.04
  6. Step 6: Final answer
    x = 367,319.05

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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.