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Finding the Fourth Proportional to 543,740.74, 750,571.49 and 362,386.50

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Solution

The fourth proportional to 543,740.74, 750,571.49 and 362,386.50 is: 500,232.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,740.74 : 750,571.49 = 362,386.50 : x
  2. Step 2: Convert to fraction form
    543,740.74/750,571.49 = 362,386.50/x
  3. Step 3: Cross multiply
    543,740.74x = 750,571.49 × 362,386.50
  4. Step 4: Simplify right side
    543,740.74x = 271,996,975,260.89
  5. Step 5: Solve for x
    x = 271,996,975,260.89/543,740.74
  6. Step 6: Final answer
    x = 500,232.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.