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Finding the Fourth Proportional to 492,752.07, 739,259.46 and 155,799.05

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Solution

The fourth proportional to 492,752.07, 739,259.46 and 155,799.05 is: 233,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,752.07 : 739,259.46 = 155,799.05 : x
  2. Step 2: Convert to fraction form
    492,752.07/739,259.46 = 155,799.05/x
  3. Step 3: Cross multiply
    492,752.07x = 739,259.46 × 155,799.05
  4. Step 4: Simplify right side
    492,752.07x = 115,175,917,875.22
  5. Step 5: Solve for x
    x = 115,175,917,875.22/492,752.07
  6. Step 6: Final answer
    x = 233,740.10

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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.