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Finding the Fourth Proportional to 451,068.88, 622,466.76 and 260,090.32

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Solution

The fourth proportional to 451,068.88, 622,466.76 and 260,090.32 is: 358,919.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,068.88 : 622,466.76 = 260,090.32 : x
  2. Step 2: Convert to fraction form
    451,068.88/622,466.76 = 260,090.32/x
  3. Step 3: Cross multiply
    451,068.88x = 622,466.76 × 260,090.32
  4. Step 4: Simplify right side
    451,068.88x = 161,897,578,797.76
  5. Step 5: Solve for x
    x = 161,897,578,797.76/451,068.88
  6. Step 6: Final answer
    x = 358,919.86

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1.5x scale

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.