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Finding the Fourth Proportional to 451,980.69, 623,635.91 and 260,883.36

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Solution

The fourth proportional to 451,980.69, 623,635.91 and 260,883.36 is: 359,962.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,980.69 : 623,635.91 = 260,883.36 : x
  2. Step 2: Convert to fraction form
    451,980.69/623,635.91 = 260,883.36/x
  3. Step 3: Cross multiply
    451,980.69x = 623,635.91 × 260,883.36
  4. Step 4: Simplify right side
    451,980.69x = 162,696,230,313.04
  5. Step 5: Solve for x
    x = 162,696,230,313.04/451,980.69
  6. Step 6: Final answer
    x = 359,962.79

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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.