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Finding the Fourth Proportional to 360,564.89, 540,647.66 and 147,482.44

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Solution

The fourth proportional to 360,564.89, 540,647.66 and 147,482.44 is: 221,141.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,564.89 : 540,647.66 = 147,482.44 : x
  2. Step 2: Convert to fraction form
    360,564.89/540,647.66 = 147,482.44/x
  3. Step 3: Cross multiply
    360,564.89x = 540,647.66 × 147,482.44
  4. Step 4: Simplify right side
    360,564.89x = 79,736,035,094.18
  5. Step 5: Solve for x
    x = 79,736,035,094.18/360,564.89
  6. Step 6: Final answer
    x = 221,141.99

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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.