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Finding the Fourth Proportional to 476,593.56, 657,696.74 and 258,800.30

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Solution

The fourth proportional to 476,593.56, 657,696.74 and 258,800.30 is: 357,143.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,593.56 : 657,696.74 = 258,800.30 : x
  2. Step 2: Convert to fraction form
    476,593.56/657,696.74 = 258,800.30/x
  3. Step 3: Cross multiply
    476,593.56x = 657,696.74 × 258,800.30
  4. Step 4: Simplify right side
    476,593.56x = 170,212,111,504.90
  5. Step 5: Solve for x
    x = 170,212,111,504.90/476,593.56
  6. Step 6: Final answer
    x = 357,143.12

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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.