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Finding the Fourth Proportional to 633,317.32, 949,873.92 and 278,265.16

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Solution

The fourth proportional to 633,317.32, 949,873.92 and 278,265.16 is: 417,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,317.32 : 949,873.92 = 278,265.16 : x
  2. Step 2: Convert to fraction form
    633,317.32/949,873.92 = 278,265.16/x
  3. Step 3: Cross multiply
    633,317.32x = 949,873.92 × 278,265.16
  4. Step 4: Simplify right side
    633,317.32x = 264,316,818,328.63
  5. Step 5: Solve for x
    x = 264,316,818,328.63/633,317.32
  6. Step 6: Final answer
    x = 417,352.90

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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.