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Finding the Fourth Proportional to 472,665.60, 708,998.40 and 366,377.40

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Solution

The fourth proportional to 472,665.60, 708,998.40 and 366,377.40 is: 549,566.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,665.60 : 708,998.40 = 366,377.40 : x
  2. Step 2: Convert to fraction form
    472,665.60/708,998.40 = 366,377.40/x
  3. Step 3: Cross multiply
    472,665.60x = 708,998.40 × 366,377.40
  4. Step 4: Simplify right side
    472,665.60x = 259,760,990,396.16
  5. Step 5: Solve for x
    x = 259,760,990,396.16/472,665.60
  6. Step 6: Final answer
    x = 549,566.10

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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.