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Finding the Fourth Proportional to 662,720.16, 993,838.32 and 241,871.52

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Solution

The fourth proportional to 662,720.16, 993,838.32 and 241,871.52 is: 362,718.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,720.16 : 993,838.32 = 241,871.52 : x
  2. Step 2: Convert to fraction form
    662,720.16/993,838.32 = 241,871.52/x
  3. Step 3: Cross multiply
    662,720.16x = 993,838.32 × 241,871.52
  4. Step 4: Simplify right side
    662,720.16x = 240,381,185,092.65
  5. Step 5: Solve for x
    x = 240,381,185,092.65/662,720.16
  6. Step 6: Final answer
    x = 362,718.99

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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.