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Finding the Fourth Proportional to 451,059.84, 622,461.24 and 260,071.56

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Solution

The fourth proportional to 451,059.84, 622,461.24 and 260,071.56 is: 358,897.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,059.84 : 622,461.24 = 260,071.56 : x
  2. Step 2: Convert to fraction form
    451,059.84/622,461.24 = 260,071.56/x
  3. Step 3: Cross multiply
    451,059.84x = 622,461.24 × 260,071.56
  4. Step 4: Simplify right side
    451,059.84x = 161,884,465,726.33
  5. Step 5: Solve for x
    x = 161,884,465,726.33/451,059.84
  6. Step 6: Final answer
    x = 358,897.98

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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.