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Finding the Fourth Proportional to 451,589.64, 623,188.56 and 260,598.94

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Solution

The fourth proportional to 451,589.64, 623,188.56 and 260,598.94 is: 359,623.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,589.64 : 623,188.56 = 260,598.94 : x
  2. Step 2: Convert to fraction form
    451,589.64/623,188.56 = 260,598.94/x
  3. Step 3: Cross multiply
    451,589.64x = 623,188.56 × 260,598.94
  4. Step 4: Simplify right side
    451,589.64x = 162,402,278,156.13
  5. Step 5: Solve for x
    x = 162,402,278,156.13/451,589.64
  6. Step 6: Final answer
    x = 359,623.57

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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.