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Finding the Fourth Proportional to 611,751.16, 917,685.06 and 237,803.32

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Solution

The fourth proportional to 611,751.16, 917,685.06 and 237,803.32 is: 356,727.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,751.16 : 917,685.06 = 237,803.32 : x
  2. Step 2: Convert to fraction form
    611,751.16/917,685.06 = 237,803.32/x
  3. Step 3: Cross multiply
    611,751.16x = 917,685.06 × 237,803.32
  4. Step 4: Simplify right side
    611,751.16x = 218,228,553,982.40
  5. Step 5: Solve for x
    x = 218,228,553,982.40/611,751.16
  6. Step 6: Final answer
    x = 356,727.65

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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.