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Finding the Fourth Proportional to 665,047.66, 997,968.93 and 244,366.06

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Solution

The fourth proportional to 665,047.66, 997,968.93 and 244,366.06 is: 366,695.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,047.66 : 997,968.93 = 244,366.06 : x
  2. Step 2: Convert to fraction form
    665,047.66/997,968.93 = 244,366.06/x
  3. Step 3: Cross multiply
    665,047.66x = 997,968.93 × 244,366.06
  4. Step 4: Simplify right side
    665,047.66x = 243,869,735,426.52
  5. Step 5: Solve for x
    x = 243,869,735,426.52/665,047.66
  6. Step 6: Final answer
    x = 366,695.13

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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.