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Finding the Fourth Proportional to 304,389.20, 456,646.08 and 104,683.60

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Solution

The fourth proportional to 304,389.20, 456,646.08 and 104,683.60 is: 157,046.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,389.20 : 456,646.08 = 104,683.60 : x
  2. Step 2: Convert to fraction form
    304,389.20/456,646.08 = 104,683.60/x
  3. Step 3: Cross multiply
    304,389.20x = 456,646.08 × 104,683.60
  4. Step 4: Simplify right side
    304,389.20x = 47,803,355,580.29
  5. Step 5: Solve for x
    x = 47,803,355,580.29/304,389.20
  6. Step 6: Final answer
    x = 157,046.82

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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.