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Finding the Fourth Proportional to 480,084.90, 719,969.02 and 160,148.59

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Solution

The fourth proportional to 480,084.90, 719,969.02 and 160,148.59 is: 240,170.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,084.90 : 719,969.02 = 160,148.59 : x
  2. Step 2: Convert to fraction form
    480,084.90/719,969.02 = 160,148.59/x
  3. Step 3: Cross multiply
    480,084.90x = 719,969.02 × 160,148.59
  4. Step 4: Simplify right side
    480,084.90x = 115,302,023,396.68
  5. Step 5: Solve for x
    x = 115,302,023,396.68/480,084.90
  6. Step 6: Final answer
    x = 240,170.07

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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.