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Finding the Fourth Proportional to 662,779.02, 914,635.08 and 360,973.02

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Solution

The fourth proportional to 662,779.02, 914,635.08 and 360,973.02 is: 498,142.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,779.02 : 914,635.08 = 360,973.02 : x
  2. Step 2: Convert to fraction form
    662,779.02/914,635.08 = 360,973.02/x
  3. Step 3: Cross multiply
    662,779.02x = 914,635.08 × 360,973.02
  4. Step 4: Simplify right side
    662,779.02x = 330,158,587,025.54
  5. Step 5: Solve for x
    x = 330,158,587,025.54/662,779.02
  6. Step 6: Final answer
    x = 498,142.79

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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.