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Finding the Fourth Proportional to 407,248.32, 562,332.87 and 254,464.50

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Solution

The fourth proportional to 407,248.32, 562,332.87 and 254,464.50 is: 351,367.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,248.32 : 562,332.87 = 254,464.50 : x
  2. Step 2: Convert to fraction form
    407,248.32/562,332.87 = 254,464.50/x
  3. Step 3: Cross multiply
    407,248.32x = 562,332.87 × 254,464.50
  4. Step 4: Simplify right side
    407,248.32x = 143,093,752,598.12
  5. Step 5: Solve for x
    x = 143,093,752,598.12/407,248.32
  6. Step 6: Final answer
    x = 351,367.32

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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.