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Finding the Fourth Proportional to 480,357.81, 719,954.10 and 352,815.42

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Solution

The fourth proportional to 480,357.81, 719,954.10 and 352,815.42 is: 528,795.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,357.81 : 719,954.10 = 352,815.42 : x
  2. Step 2: Convert to fraction form
    480,357.81/719,954.10 = 352,815.42/x
  3. Step 3: Cross multiply
    480,357.81x = 719,954.10 × 352,815.42
  4. Step 4: Simplify right side
    480,357.81x = 254,010,907,854.89
  5. Step 5: Solve for x
    x = 254,010,907,854.89/480,357.81
  6. Step 6: Final answer
    x = 528,795.21

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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.